DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2022-1234; Project Identifier MCAI-2022-00289-E;
Amendment 39-22280; AD 2022-26-02]
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG
(Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2013-05-13
for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-710 series
turbofan engines. AD 2013-05-13 required replacing the affected fuel
pump splined couplings. Since the FAA issued AD 2013-05-13, the
manufacturer has revised the time limits manual (TLM), introducing new
and more restrictive instructions, including the replacement of the
fuel pump splined coupling. This AD is prompted by service experience
that demonstrated premature wear of the splined coupling on the fuel
pump and subsequent manufacturer revision of the TLM to incorporate
revised life limits and updated mandatory inspection intervals,
including replacement of the fuel pump splined coupling. This AD
expands the applicability by adding a model turbofan engine and also
requires revisions to the airworthiness limitations section (ALS) of
the operator's existing approved aircraft maintenance program (AMP), as
specified in a European Union Aviation Safety Agency (EASA) AD, which
is incorporated by reference. The FAA is issuing this AD to address the
unsafe condition on these products.
DATES: This AD is effective January 27, 2023.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of January 27,
AD Docket: You may examine the AD docket at regulations.gov under
Docket No. FAA-2022-1234; or in person at Docket Operations between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD
docket contains this final rule, the mandatory continuing airworthiness
information (MCAI), any comments received, and other information. The
address for Docket Operations is U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
For EASA material identified in this final rule, contact
EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; phone: +49 221
8999 000; email: ADs@easa.europa.eu.
You may view this service information at the 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 (817) 222-5110. It is
also available at regulations.gov under Docket No. FAA-2022-1234.
FOR FURTHER INFORMATION CONTACT: Sungmo Cho, Aviation Safety Engineer,
ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone:
(781) 238-7241; email: Sungmo.D.Cho@faa.gov.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 to supersede AD 2013-05-13, Amendment 39-17385 (78 FR
17080, March 20, 2013) (AD 2013-05-13). AD 2013-05-13 applied to
certain RRD BR700-710 series turbofan engines. AD 2013-05-13 required
replacing the affected fuel pump splined couplings. The FAA issued AD
2013-05-13 to prevent failure of the engine and loss of the airplane.
The NPRM published in the Federal Register on September 26, 2022
(87 FR 58289). The NPRM was prompted by EASA AD 2022-0033, dated March
03, 2022 (EASA AD 2022-0033) (referred to after this as ``the MCAI''),
issued by EASA, which is the Technical Agent for the Member States of
the European Union. EASA AD 2022-0033 states that since the
certification of the BR700-710 engines, several changes have been made
to the TLM by the manufacturer, introducing new and more restrictive
instructions, including the replacement of the fuel pump splined
coupling. EASA AD 2022-0033 expands the applicability to include BR700-
710D5-21 model turbofan engines and specifies accomplishing the actions
in the TLM.
You may examine the MCAI in the AD docket at regulations.gov under
Docket No. FAA-2022-1234.
In the NPRM, the FAA proposed to expand the applicability to
include BR700-710D5-21 model turbofan engines. In the NPRM, the FAA
also proposed to require accomplishing the actions specified in EASA AD
2022-0033, described previously, except for any difference or
exceptions identified in the NPRM. The FAA is issuing this AD to
address the unsafe condition on these products.
Discussion of Final Airworthiness Directive
The FAA received one comment from an anonymous commenter that
supported the NPRM without change.
These products have been approved by the aviation authority of
another country and are approved for operation in the United States.
Pursuant to the FAA's bilateral agreement with this State of Design
Authority, it has notified the FAA of the unsafe condition described in
the MCAI referenced above. The FAA reviewed the relevant data,
considered the comment received, and determined that air safety
requires adopting the AD as proposed. Accordingly, the FAA is issuing
this AD to address the unsafe condition on these products. Except for
minor editorial changes, this AD is adopted as proposed in the NPRM.
Related Service Information Under 1 CFR Part 51
The FAA reviewed EASA AD 2022-0033, which describes actions for
operators to revise the ALS of their existing approved AMP in
accordance with the manufacturer's revised TLM, as applicable to each
engine model. EASA AD 2022-0033 also describes actions for performing
inspections, replacing life limited parts, and performing corrective
actions for any finding of discrepancy as referenced in the TLM.
This material is reasonably available because the interested
parties have access to it through their normal course of business or by
the means identified in ADDRESSES.
Other Related Service Information
The FAA also reviewed RRD Non-Modification Service Bulletin (NMSB)
BR700-72-A900509, Revision 5, dated March 07, 2022. This service
information revises previous versions of this NMSB because the
specified procedures have been incorporated into the applicable TLM.
The FAA also reviewed Rolls-Royce TLM T-710-1BR, Revision 70, for
engine model BR700-710A1-10; TLM T-710-2BR, Revision 67, for engine
model BR700-710A2-20; TLM T-710-4BR, Revision 40, for engine model
BR700-710C4-11 (each dated October 13, 2021); and TLM T-710-8BR,
Revision 18, for engine model BR700-710D5-21 (undated). This service
information specifies thresholds for certain standard equipment;
critical, sensitive, and unclassified parts; and life limited parts.
This service information also specifies the replacement threshold for
the fuel pump vespel coupling (fuel pump splined coupling).
Costs of Compliance
The FAA estimates that this AD affects 2,050 engines installed on
airplanes of U.S. Registry. The FAA estimates that 1,350 engines
installed on airplanes of U.S. Registry have already performed the
initial replacement of the fuel pump splined coupling.
The FAA estimates the following costs to comply with this AD:
||Cost on U.S. operators
|Initial Replacement of the fuel
pump splined coupling
||6 work-hours x $85.00
per hour = $510
|Revise the ALS and the operator's
existing approved AMP
||2 work-hours x $85.00
per hour = $170
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.
The FAA is 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 rulemaking action.
The FAA has 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
(2) Will not affect intrastate aviation in Alaska, 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.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 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:
a. Removing Airworthiness Directive 2013-05-13, Amendment 39-17385 (78
FR 17080, March 20, 2013); and
b. Adding the following new airworthiness directive: