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ADs updated daily at www.Tdata.com
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| 2020-18-09 |
HONEYWELL INTERNATIONAL INC.: Amendment 39-21230; Docket No. FAA-2020-0394; Project Identifier AD-2019-00141-E. |
(a) EFFECTIVE DATE
This AD is effective October 21, 2020.
(b) AFFECTED ADS
None.
(c) APPLICABILITY
This AD applies to all Honeywell International Inc. (Honeywell)
ALF502L, ALF502L-2, ALF502L-2A, ALF502L-2C, ALF502L-3, ALF502R-3,
ALF502R-3A, ALF502R-4, ALF502R-5, ALF502R-6, LF507-1F, and LF507-1H
model turbofan engines.
(d) SUBJECT
Joint Aircraft System Component (JASC) Code 7200, Engine (Turbine/
Turboprop); 7300, Engine Fuel and Control; and 7620, Engine Emergency
Shutdown System.
(e) UNSAFE CONDITION
This AD was prompted by a report of an engine experiencing an uncon-
tained release of low-pressure turbine (LPT) blades. The FAA is issu-
ing this AD to prevent failure of the LPT blades. The unsafe
condition, if not addressed, could result in uncontained LPT blade
release, damage to the engine, and loss of the aircraft.
(f) COMPLIANCE
Comply with this AD within the compliance times specified, unless al-
ready done.
(g) REQUIRED ACTIONS
(1) Perform an initial visual inspection of the overspeed fuel solenoid
valve assembly and fuel filter outlet in accordance with the
Accomplishment Instructions, paragraphs 3.B.(1) to (3), of Honeywell
Service Bulletin (SB) ALF/LF-72-1120, Revision 2, dated May 14, 2020
("Honeywell SB ALF/LF-72-1120"), using the times, as applicable, in
paragraphs (g)(1)(i), (ii), and (iii) of this AD.
(i) If, on the effective date of this AD, the fuel solenoid valve assembly
has 1,500 or less engine cycles since last overhaul, perform the in-
spection before exceeding 3,000 engine cycles since last overhaul or
within 5 years after the effective date of this AD, whichever occurs
first.
(ii) If, on the effective date of this AD, the fuel solenoid valve assem-
bly has greater than 1,500 but less than 3,000 engine cycles since
last overhaul, perform the inspection before exceeding 3,500 engine
cycles since last overhaul or within 5 years after the effective date
of this AD, whichever occurs first.
(iii) If, on the effective date of this AD, the fuel solenoid valve assem-
bly has 3,000 or more engine cycles since last overhaul, perform the
inspection before exceeding 500 engine cycles or within 5 years
after the effective date of this AD, whichever occurs first.
(2) Thereafter, repeat the visual inspection of the overspeed fuel sole-
noid valve assembly, fuel filter outlet, and adjacent fuel system tube
assemblies at intervals not to exceed 3,000 engine cycles since the
last visual inspection using the Accomplishment Instructions,
paragraphs 3.B.(1) to (3), of Honeywell SB ALF/LF-72-1120.
(3) If, based on the visual inspection required by paragraph (g)(1) or (2)
of this AD, an overspeed fuel solenoid valve assembly is rejected for
visual coking or varnish residue, as depicted in the Accomplishment
Instructions, paragraph 3.B.(3) of Honeywell SB ALF/LF-72-1120, before
further flight:
(i) Remove and inspect the adjacent fuel system tube assemblies using the
Accomplishment Instructions, paragraph 3.B.(3) of Honeywell SB ALF/LF-
72-1120.
(ii) Overhaul the overspeed fuel solenoid valve assembly or replace it
with a part eligible for installation using the Accomplishment In-
structions, paragraphs 3.B.(5) to (8) of Honeywell SB ALF/LF-72-1120.
Note to paragraph (g)(3)(ii) of this AD: Valves may be serviced at any
appropriately rated, FAA-approved repair facility.
(4) At the next engine shop visit after the effective date of this AD, and
each shop visit thereafter, if the overspeed fuel solenoid valve
assembly time since new or since last overhaul, whichever is less,
exceeds 8,000 engine cycles or is unknown, overhaul the overspeed fuel
solenoid valve assembly in accordance with the applicable Honeywell
Temporary Revision (TR) for the engine, as defined in paragraph (h)(2)
of this AD.
(h) DEFINITION
(1) For the purpose of this AD, a "part eligible for installation" is an
overspeed fuel solenoid valve assembly including, but not limited to,
P/Ns 2-303-175-01, 2-303-175-02, or 2-303-901-01.
(2) For the purpose of this AD, the "applicable Honeywell TR" refers, de-
pending on the affected engine model, to the following engine model
TRs:
(i) Honeywell TR No. 72-1022 dated October 14, 2019, to Honeywell Turbofan
Aircraft Engine Manual Report No. 286.1, Revision 27, dated August 27,
2004, for Honeywell Engine Manual ALF502R;
(ii) Honeywell TR No. 72-202 dated October 10, 2019, to Honeywell Turbofan
Aircraft Engine Manual 507F.1, Revision 6, dated August 16, 2013, for
Honeywell Engine Manual LF507-1F;
(iii) Honeywell TR No. 72-177, dated October 10, 2019, to Honeywell Turbo-
fan Aircraft Engine Manual Report No. 507H.1, Revision 5, dated
September 30, 1999, for Honeywell Engine Manual LF507-1H; or
(iv) Honeywell TR No. 72-57, dated October 29, 2019, to Honeywell Turbofan
Engine Overhaul Manual 72-07-07, Revision 1, dated January 31, 2001,
for Honeywell Overhaul Manual ALF502L.
(i) CREDIT FOR PREVIOUS ACTIONS
You may take credit for the initial visual inspection, overhaul, and
replacement required by paragraph (g)(1) to (3) of this AD if the in-
spection was performed using the Accomplishment Instructions, para-
graphs 3.B.(1) to (3) and 3.B.(5) to (8), of Honeywell SB ALF/LF-72-
1120, Revision 1, dated January 6, 2020, or paragraphs 3.B.(1) to (3)
and 3.B.(6) of Revision 0, dated August 30, 2019.
(j) ALTERNATIVE METHODS OF COMPLIANCE (AMOCS)
(1) The Manager, Los Angeles ACO Branch, FAA, has the authority to approve
AMOCs for this AD, if requested using the procedures found in 14 CFR
39.19. In accordance with 14 CFR 39.19, send your request to your
principal inspector or local Flight Standards District Office, as
appropriate. If sending information directly to the manager of the
certification office, send it to the attention of the person
identified in paragraph (k) of this AD. Information may be emailed to:
9-ANM-LAACO-AMOC-Requests@faa.gov.
(2) Before using any approved AMOC, notify your appropriate principal in-
spector, or lacking a principal inspector, the manager of the local
flight standards district office/certificate holding district office.
(k) RELATED INFORMATION
For more information about this AD, contact Mark Matzke, Aerospace
Engineer, Los Angeles ACO Branch, FAA, 3960 Paramount Boulevard, Lake-
wood, CA 90712-4137; phone: 562-627-5312; fax: 562-627-5210; email:
mark.matzke@faa.gov.
(l) MATERIAL INCORPORATED BY REFERENCE
(1) The Director of the Federal Register approved the incorporation by
reference (IBR) of the service information listed in this paragraph
under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do the actions
required by this AD, unless the AD specifies otherwise.
(i) Honeywell International Inc. (Honeywell) Service Bulletin ALF/LF-72-
1120, Revision 2, dated May 14, 2020.
(ii) Honeywell Temporary Revision (TR) No. 72-1022 dated October 14, 2019,
to Honeywell Turbofan Aircraft Engine Manual Report No. 286.1,
Revision 27, dated August 27, 2004, for Honeywell Engine Manual
ALF502R.
(iii) Honeywell TR No. 72-202, dated October 10, 2019, to Honeywell Turbo-
fan Aircraft Engine Manual 507F.1 Revision 6, dated August 16, 2013,
for Honeywell Engine Manual LF507-1F.
(iv) Honeywell TR No. 72-177 dated October 10, 2019, to Honeywell Turbofan
Aircraft Engine Manual Report No. 507H.1, Revision 5, dated September
30, 1999, for Honeywell Engine Manual LF507-1H.
(v) Honeywell TR No. 72-57, dated October 29, 2019, to Honeywell Turbofan
Engine Overhaul Manual 72-07-07, Revision 1, dated January 31, 2001,
for Honeywell Overhaul Manual ALF502L.
(3) For Honeywell service information identified in this AD, contact
Honeywell International Inc., 111 S. 34th Street, Phoenix, AZ 85034-
2802; phone: 800-601-3099; website: https://aerospace.honeywell.com/
en#/.
(4) You may view this service information at FAA, Airworthiness Products
Section, Operational Safety Branch, 1200 District Avenue, Burlington,
MA 01803. For information on the availability of this material at the
FAA, call 781-238-7759.
(5) You may view this service information that is incorporated by
reference at the National Archives and Records Administration (NARA).
For information on the availability of this material at NARA, email:
fedreg.legal@nara.gov, or go to: https://www.archives.gov/federal-
register/cfr/ibr-locations.html.
Issued on August 24, 2020. Lance T Gant, Director, Compliance & Airworthi-
ness Division, Aircraft Certification Service.
FOR FURTHER INFORMATION CONTACT: Mark Matzke, Aerospace Engineer, Los
Angeles ACO Branch, FAA, 3960 Paramount Boulevard, Lakewood, CA 90712-4137
phone: 562-627-5312; fax: 562-627-5210; email: mark.matzke@faa.gov.
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DEPARTMENT OF TRANSPORTATION
The FAA estimates the following costs
to do any necessary overhauls
Authority for This Rulemaking |