EFFECTIVE DATE
(a) This AD becomes effective on July 2, 2009.
AFFECTED ADS
(b) This AD supersedes AD 2008-12-16, Amendment 39-15560.
APPLICABILITY
(c) This AD applies to Models SA226-AT, SA226-T, SA226-TC, SA227-AC (C
-26A), SA227-AT, SA227-BC (C-26A), SA227-CC, and SA227-DC (C-26B)
airplanes, all serial numbers, that are certificated in any category.
UNSAFE CONDITION
(d) This AD results from five reports of chafing between the bleed air
tube assembly and the electrical starter cables on M7 Aerospace LP
SA226 and SA227 series airplanes with one incident resulting in a
fire. We are issuing this AD to detect and correct chafing of
electrical wires and components, hydraulic tube assemblies, and bleed
air tube assemblies. This condition could result in arcing of the
exposed wires with consequent burning of a hole in a hydraulic line or
the bleed air line. This failure could lead to a possible hydraulic
fluid leak and fire in the engine nacelle compartment.
COMPLIANCE
(e) To address this problem, you must do the following, unless already
done:
TABLE 1--ACTIONS, COMPLIANCE, AND PROCEDURES
______________________________________________________________________
ACTIONS » » »
(1) For the following model and serial number (S/N) airplanes, inspect
the main battery leads running forward from the battery
compartment for deterioration, cover the four-gauge wires leaving
the battery box with firesleeving, and secure them with a clamp:
(i) SA226-AT, S/N AT-001 through AT-419;
(ii) SA226-T, S/N T-201 through T-248;
(iii) SA226-TC, S/N TC-201 through TC-419;
(iv) SA227-AC (C-26A), S/N AC-420 through AC-539, AC-541, AC-543, AC
-544, AC-547 through AC-551; and
(v) SA227-AT, S/N AT-423 through AT-551.
COMPLIANCE » » »
Within 250 hours time-in-service (TIS) after July 23, 2008
(the effective date of AD 2008-12-16).
PROCEDURES » » »
Use the following service information as
applicable:
(A) For Models SA226-AT, SA226-T, and SA226-TC
airplanes: Follow M7 Aerospace SA226
Series Service Bulletin No. 226-24-019,
revised: November 21, 2008; or Fairchild
Aircraft Corporation SA226 Series Service
Bulletin No. SB 24-019, revised: May 17,
1983; or
(B) For Models SA227-AC (C-26A) and SA227-AT
airplanes: Follow M7 Aerospace SA227
Series Service Bulletin No. 227-24-001,
revised: November 21, 2008; or Fairchild
Aircraft Corporation SA227 Series Service
Bulletin No. SB24-001, revised: May 17,
1983.
______________________________________________________________________
ACTIONS » » »
(2) For the following model and S/N airplanes, reroute the hydraulic
tube assemblies in the right wing leading edge, reroute the
battery cables and 22-gauge wire bundle, and install a new access
panel forward of the battery box:
(i) SA226-AT, S/N AT-001 through AT-074;
(ii) SA226-TC, S/N TC-201 through TC-419;
(iii) SA227-AC (C-26A), S/N AC-420 through AC-539, AC-541, AC-543, AC
-544, AC-547 through AC-550; and
(iv) SA227-AT, S/N AT-423 through AT-551.
COMPLIANCE » » »
Before further flight after the modification required in
paragraph (e)(1) of this AD and you were not able to
obtain a minimum 0.50-inch clearance between the bleed air
line and the tubing on the battery cables.
PROCEDURES » » »
Use the following service information as
applicable:
(A) For Models SA226-AT, and SA226-TC
airplanes: Follow M7 Aerospace SA226
Series Service Bulletin No. 226-24-020,
revised: August 4, 2008; or Fairchild
Aircraft Corporation SA226 Series Service
Bulletin No. SB 24-020, revised: February
15, 1984; or
(B) For Models SA227-AC (C-26A) and SA227-AT,
airplanes: Follow M7 Aerospace SA227
Series Service Bulletin No. 227-24-002,
revised: November 21, 2008; or Fairchild
Aircraft Corporation SA227 Series Service
Bulletin No. SB24-002, revised: February
15, 1984.
______________________________________________________________________
ACTIONS » » »
(3) For model SA226-AT, SA226-T, SA226-TC, SA227-AC (C-26A), SA227-AT,
SA227-CC, and SA227-DC (C-26B) airplanes, all S/N: Inspect
electrical wires and components, hydraulic tube assemblies, and
bleed air tube assemblies at the left hand and right hand (LH/RH)
inboard wing leading edge/battery box areas, LH/RH wing stations
51.167 to 81.174, and at all feed-through locations into the LH/RH
inboard keelson for any evidence of chafing or arcing.
COMPLIANCE » » »
Within 250 hours TIS after July 23, 2008 (the effective
date of AD 2008-12-16). Repetitively thereafter inspect at
intervals not to exceed 12 months.
PROCEDURES » » »
Use the following service information as
applicable:
(i) For Models SA226-AT, SA226-T, and SA226-TC
airplanes: Follow M7 Aerospace SA226
Series Service Bulletin No. 226-24-036,
revised November 21, 2008; or M7 Aerospace
SA226 Series Service Bulletin No. 226-24
-036, issued: September 19, 2007;
(ii) For Models SA227-AC (C-26A) and SA227-AT,
airplanes: Follow M7 Aerospace SA227
Series Service Bulletin No. 227-24-019,
revised: November 21, 2008; or M7
Aerospace SA227 Series Service Bulletin
No. 227-24-019, issued: September 19,
2007; or
(iii) For Models SA227-CC and SA227-DC (C-26B)
airplanes: Follow SA227 Series Commuter
Category Service Bulletin No. CC7-24
-010, revised November 21, 2008; or
SA227 Series Commuter Category Service
Bulletin No. CC7-24-010, issued
September 19, 2007.
______________________________________________________________________
ACTIONS » » »
(4) For model SA227-BC (C-26A) airplanes, all S/N: Inspect the main
battery leads running forward from the battery compartment for any
evidence of insulation deterioration.
COMPLIANCE » » »
Within 250 hours TIS after July 2, 2009 (the effective
date of this AD).
PROCEDURES » » »
Follow M7 Aerospace SA227 Series Service
Bulletin No. 227-24-001, revised: November 21,
2008.
______________________________________________________________________
ACTIONS » » »
(5) For model SA227-BC (C-26A) airplanes, all S/N: Inspect electrical
wires and components, hydraulic tube assemblies, and bleed air
tube assemblies at LH/RH inboard wing leading edge/battery box
areas, LH/RH wing stations 51.167 to 81.174, and at all feed
-through locations into the LH/RH inboard keelson for any evidence
of insulation deterioration, chafing, or arcing.
COMPLIANCE » » »
Within 250 hours TIS after July 2, 2009 (the effective
date of this AD). Repetitively thereafter inspect at
intervals not to exceed 12 months.
PROCEDURES » » »
Follow M7 Aerospace SA227 Series Service
Bulletin No. 227-24-019, revised: November 21,
2008.
______________________________________________________________________
ACTIONS » » »
(6) For all model and S/N airplanes: Clear, repair, and/or replace all
electrical wires and components, hydraulic tube assemblies, and
bleed air tube assemblies, in the inspection area and feed-through
locations that show any sign of insulation deterioration, chafing,
or arcing, as required.
COMPLIANCE » » »
Before further flight after any inspection required in
paragraphs (e)(1), (e)(3), (e)(4), and (e)(5) of this AD
where any evidence of insulation deterioration, chafing,
or arcing was found.
PROCEDURES » » »
Use the service information from paragraphs
(e)(1), (e)(3), (e)(4), and (e)(5) of this AD,
as applicable.
______________________________________________________________________
NOTE: Although not a requirement of this AD, you may incorporate
Swearingen Aviation Corporation SA226 Series Service Bulletin No. 57-010,
revised: December 5, 1975, on those airplanes that have not installed the
access panel. Installation of the access panel will simplify the
incorporation of the service bulletins referenced in this AD and future
inspections of the areas of concern.
ALTERNATIVE METHODS OF COMPLIANCE (AMOCS)
(f) The Manager, Fort Worth Airplane Certification Office, FAA, has the
authority to approve AMOCs for this AD, if requested using the
procedures found in 14 CFR 39.19. Send information to ATTN: Werner
Koch, Aerospace Engineer, ASW-150, Fort Worth Airplane Certification
Office, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone: (817)
222-5133; fax: (817) 222-5960. Before using any approved AMOC on any
airplane to which the AMOC applies, notify your appropriate principal
inspector (PI) in the FAA Flight Standards District Office (FSDO), or
lacking a PI, your local FSDO
MATERIAL INCORPORATED BY REFERENCE
(g) You must use the service information specified in Table 2 or Table 3
of this AD to do the actions required by this AD, unless the AD
specifies otherwise.
(1) The Director of the Federal Register approved the incorporation by
reference of the service information listed in Table 2 of this AD
under 5 U.S.C. 552(a) and 1 CFR part 51.
TABLE 2--MATERIAL INCORPORATED BY REFERENCE
______________________________________________________________________
SERVICE BULLETIN NO. DATE
______________________________________________________________________
(i) M7 Aerospace SA226 Series Service Revised: November 21, 2008
Bulletin No. 226-24-019
(ii) M7 Aerospace SA226 Series Service Revised: August 4, 2008
Bulletin No. 226-24-020
(iii) M7 Aerospace SA226 Series Service Revised: November 21, 2008
Bulletin No. 226-24-036
(iv) M7 Aerospace SA227 Series Service Revised: November 21, 2008
Bulletin No. 227-24-001
(v) M7 Aerospace SA227 Series Service Revised: November 21, 2008
Bulletin No. 227-24-002
(vi) M7 Aerospace SA227 Series Service Revised: November 21, 2008
Bulletin No. 227-24-019
(vii) M7 Aerospace SA227 Series Commuter Revised: November 21, 2008
Category Service Bulletin No.
CC7-24-010
______________________________________________________________________
(2) On July 23, 2008 (73 FR 34615, June 18, 2008), the Director of the
Federal Register approved the incorporation by reference of the
service information listed in Table 3 of this AD.
TABLE 3--PREVIOUS MATERIAL INCORPORATED BY REFERENCE
______________________________________________________________________
SERVICE BULLETIN NO. DATE
______________________________________________________________________
(i) Fairchild Aircraft Corporation SA226 Revised: May 17, 1983
Series Service Bulletin No. SB 24-019
(ii) Fairchild Aircraft Corporation SA226 Revised: February 15, 1984
Series Service Bulletin No. SB 24-020
(iii) M7 Aerospace SA226 Series Service Issued: September 19, 2007
Bulletin No. 226-24-036
(iv) Fairchild Aircraft Corporation SA227 Revised: May 17, 1983
Series Service Bulletin No. SB24-001
(v) Fairchild Aircraft Corporation SA227 Revised: February 15, 1984
Series Service Bulletin No. SB24-002
(vi) M7 Aerospace SA227 Series Service Issued: September 19, 2007
Bulletin No. 227-24-019
(vii) M7 Aerospace SA227 Series Commuter Issued: September 19, 2007
Category Service Bulletin No.
CC7-24-010
______________________________________________________________________
(3) For service information identified in this AD, contact M7 Aerospace
Repair Station, 10823 NE Entrance Road, San Antonio, Texas 78216;
telephone: (210) 824-9421; fax: (210) 804-7766; Internet:
http://www.m7aerospace.com.
(4) You may review copies of the service information incorporated by
reference for this AD at the FAA, Central Region, Office of the
Regional Counsel, 901 Locust, Kansas City, Missouri 64106. For
information on the availability of this material at the Central
Region, call (816) 329-3768.
(5) You may also review copies of the service information incorporated by
reference for this AD at the National Archives and Records
Administration (NARA). For information on the availability of this
material at NARA, call (202) 741-6030, or go to:
http://www.archives.gov/federal_register/code_of_federal_regulations/i
br_locations.html.
Issued in Kansas City, Missouri, on May 18, 2009. Kim Smith, Manager,
Small Airplane Directorate, Aircraft Certification Service.
FOR FURTHER INFORMATION CONTACT: Werner Koch, Aerospace Engineer, ASW
-150, Fort Worth Airplane Certification Office, 2601 Meacham Blvd., Fort
Worth, Texas 76137; telephone: (817) 222-5133; fax: (817) 222-5960.
|
AGENCY: Federal Aviation Administration
(FAA), Department of Transportation (DOT).
ACTION: Final rule.
SUMMARY: We are adopting a new airworthiness directive (AD) to
supersede AD 2008-12-16, which applies to certain M7 Aerospace LP SA226
and SA227 series airplanes. AD 2008-12-16 currently requires you to inspect
wires and tube assemblies for chafing, arcing, or insufficient clearance
between components. If chafing, arcing, or insufficient clearance between
components is found, AD 2008-12-16 requires you to clear, repair, and/or
replace all chafed wires, components, and tube assemblies. AD 2008-12-16
also requires you to cover the four-gauge wires leaving the battery box
with firesleeving and secure them with a clamp. Since we issued AD 2008-12-16,
M7 Aerospace LP has notified us that Model SA227-BC (C-26A) was inadvertently
left out of the Applicability section of the AD, and they updated some
of the service information due to parts availability. Operators have also
identified issues with model applicability that needed clarification.
Consequently, this AD retains the actions of AD 2008-12-16, adds Model
SA227-BC (C-26A) to the Applicability section, and regroups the models
for clarification. We are issuing this AD to detect and correct chafing
of electrical wires, components, and tube assemblies. This condition could
result in arcing of exposed wires with consequent burning of a hole in
a hydraulic line or the bleed air line. This failure could lead to a hydraulic
fluid leak and a possible fire in the engine nacelle compartment.
DATES: This AD becomes effective on July 2, 2009.
On July 2, 2009, the Director of the Federal Register approved the incorporation
by reference of certain publications listed in Table 2 of this AD.
As of July 23, 2008 (73 FR 34615, June 18, 2008), the Director of the
Federal Register approved the incorporation by reference of certain publications
listed in Table 3 of this AD.
DATES: This AD becomes effective on July 2, 2009.
ADDRESSES: For service information identified in this AD, contact
M7 Aerospace Repair Station, 10823 NE Entrance Road, San Antonio, Texas
78216; telephone: (210) 824-9421; fax: (210) 804-7766; Internet: http:/
/www.m7aerospace.com.
To view the AD docket, go to U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey
Avenue, SE., Washington, DC 20590, or on the Internet at http://www.regulations.gov.
The docket number is FAA-2009-0119; Directorate Identifier 2008-CE-068-AD.
FOR FURTHER INFORMATION CONTACT: Werner Koch, Aerospace Engineer,
ASW- 150, Fort Worth Airplane Certification Office, 2601 Meacham Blvd.,
Fort Worth, Texas 76137; telephone: (817) 222-5133; fax: (817) 222-5960.
SUPPLEMENTARY INFORMATION:
Discussion
On February 6, 2009, we issued a proposal to amend part 39 of the Federal
Aviation Regulations (14 CFR part 39) to include an AD that would apply
to certain M7 Aerospace LP SA226 and SA227 series airplanes. This proposal
was published in the Federal Register as a notice of proposed rulemaking
(NPRM) on February 12, 2009 (74 FR 7006). The NPRM proposed to supersede
AD 2008-12-16 with a new AD that would retain the actions of AD 2008-12-16,
add the Model SA227-BC (C-26A) to the Applicability section, and regroup
the models for clarification.
Comments
We provided the public the opportunity to participate in developing this
AD. The following presents the comment received on the proposal and FAA's
response:
Comment Issue: Inspection Applicability
George L. Smith commented that it was unclear if paragraph (e)(3) of the
AD applied to airplanes with batteries mounted in the nose of the airplane
or if the AD only applied to airplanes with the battery located in the
wing leading edge.
As specified in the Applicability section, this AD applies to all serial
numbers regardless of where the battery is located. Therefore the actions
required in paragraph (e)(3) of this AD apply to all airplanes listed
in the Applicability section regardless of where the battery is located.
For added clarity we are adding the applicable serial numbers to the paragraph.
We are changing the final rule AD by adding the applicable serial numbers
to each action based on this comment.
Conclusion
We have carefully reviewed the available data and determined that air
safety and the public interest require adopting the AD as proposed except
for the change previously discussed and minor editorial corrections. We
have determined that these minor corrections:
Are consistent with the intent that was proposed in the NPRM for correcting
the unsafe condition; and
Do not add any additional burden upon the public than was already proposed
in the NPRM.
Costs of Compliance
We estimate that this AD affects 268 airplanes in the U.S. registry.
We estimate the following costs to do the inspection:
|
Labor Cost
|
Parts Cost
|
Total Cost
Per Airplane
|
Total Cost
on U.S. Operators
|
|
4 work-hours
X $80 per hour = $320
|
Not Applicable
|
$320
|
$85,760
|
We estimate the following costs to
do any necessary modifications for certain Models SA226-AT, SA226-T, SA226-TC,
SA227-AC, and SA227-AT airplanes referenced in M7 Aerospace SA226 Series
Service Bulletin 226- 24-019, revised: November 21, 2008; or M7 Aerospace
SA227 Series Service Bulletin 227-24-001, revised: November 21, 2008.
We estimate 88 airplanes may need this modification:
|
Labor Cost
|
Parts Cost
|
Total Cost
Per Airplane
|
Total Cost
on U.S. Operators
|
|
13 work-hours
X $80 per hour = $1,040
|
$7
|
$1,047
|
$92,136
|
We estimate the following costs to
do any necessary repairs for certain Models SA226-AT, SA226-TC, SA227-AC,
and SA227-AT referenced in M7 Aerospace SA226 Series Service Bulletin
226-24-020, revised: August 4, 2008; or M7 Aerospace SA227 Series Service
Bulletin 227-24-002, revised: November 21, 2008. We have no way of determining
the number of airplanes that may need this repair:
|
Labor Cost
|
Parts Cost
|
Total Cost
Per Airplane
|
|
50 work-hours
X $80 per hour = $4,000
|
$3,000
|
$7,000
|
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to issue
rules on aviation safety. Subtitle I, Section 106 describes the authority
of the FAA Administrator. Subtitle VII, Aviation Programs, describes in
more detail the scope of the agency's authority.
We are issuing this rulemaking under the authority described in Subtitle
VII, Part A, Subpart III, Section 44701, "General requirements.'' Under
that section, Congress charges the FAA with promoting safe flight of civil
aircraft in air commerce by prescribing regulations for practices, methods,
and procedures the Administrator finds necessary for safety in air commerce.
This regulation is within the scope of that authority because it addresses
an unsafe condition that is likely to exist or develop on products identified
in this AD.
Regulatory Findings
We have determined that this AD will not have federalism implications
under Executive Order 13132. This AD will not have a substantial direct
effect on the States, on the relationship between the national government
and the States, or on the distribution of power and responsibilities among
the various levels of government.
For the reasons discussed above, I certify that this AD:
1. Is not a "significant regulatory action'' under Executive Order 12866;
2. Is not a "significant rule'' under the DOT Regulatory Policies and
Procedures (44 FR 11034, February 26, 1979); and
3. Will not have a significant economic impact, positive or negative,
on a substantial number of small entities under the criteria of the Regulatory
Flexibility Act.
We prepared a summary of the costs to comply with this AD (and other information
as included in the Regulatory Evaluation) and placed it in the AD Docket.
You may get a copy of this summary by sending a request to us at the address
listed under ADDRESSES. Include "Docket No. FAA-2009-0119; Directorate
Identifier 2008-CE-068-AD'' in your request.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference,
Safety.
Adoption of the Amendment
Accordingly, under the authority delegated to me by the Administrator,
the Federal Aviation Administration amends part 39 of the Federal Aviation
Regulations (14 CFR part 39) as follows:
PART 39--AIRWORTHINESS DIRECTIVES
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
2. The FAA amends Sec. 39.13 by removing Airworthiness Directive (AD)
2008-12-16, Amendment 39-15560 (73 FR 34615, June 18, 2008), and adding
the following new AD:
|