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AD 2023-26-04

Published 2024-01-03 · Document 2023-28861

This is a dated source edition. Current legal effect, aircraft applicability, installed configuration and compliance remain unknown. It has not been promoted as a regulatory determination or qualified as paid-report evidence.

Effective date printed in this source: 2024-02-07
Source acquired: 2026-09-28
PDF corroboration: Not verified in this HTML-only batch

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Applicability wording in this source

(c) Applicability

    This AD applies to Rolls-Royce Deutschland Ltd & Co KG Model 
Trent 1000-AE3, Trent 1000-CE3, Trent 1000-D3, Trent 1000-G3, Trent 
1000-H3, Trent 1000-J3, Trent 1000-K3, Trent 1000-L3, Trent 1000-M3, 
Trent 1000-N3, Trent 1000-P3, Trent 1000-Q3, and Trent 1000-R3 
engines.

Serial numbers, installed parts, exceptions and service-document requirements have not been evaluated. An engine model mentioned here is not evidence that an aircraft has that engine installed.

Fully written literal labels recorded in this clause:

This literal index is partial. Shorthand, ranges and broken lines have not been expanded or repaired.

Historical relationship wording

(b) Affected ADs

    None.

This wording records what this edition said at publication. It does not determine current supersession or current independent burden.

Recorded rule paragraphs

These exact source paragraphs include conditions and maintenance wording. They are not a conclusion that work applies to, or was completed on, an individual aircraft. Referenced manufacturer service documents are link-only and are not mirrored.

(a) Effective Date

(a) Effective Date

    This airworthiness directive (AD) is effective February 7, 2024.

(b) Affected ADs

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Rolls-Royce Deutschland Ltd & Co KG Model 
Trent 1000-AE3, Trent 1000-CE3, Trent 1000-D3, Trent 1000-G3, Trent 
1000-H3, Trent 1000-J3, Trent 1000-K3, Trent 1000-L3, Trent 1000-M3, 
Trent 1000-N3, Trent 1000-P3, Trent 1000-Q3, and Trent 1000-R3 
engines.

(d) Subject

(d) Subject

    Joint Aircraft System Component (JASC) Code 7500, Engine Bleed 
Air System.

(e) Unsafe Condition

(e) Unsafe Condition

    This AD was prompted by a determination that certain intervals 
for visual inspection of the intermediate-pressure stage 8 (IP8) air 
transfer tubes, high-pressure stage 3 (HP3) air transfer tubes, and 
front bearing housing IP8 air feed tubes need to be reduced. The FAA 
is issuing this AD to prevent failure of the IP8 and HP3 air 
transfer tubes and front bearing housing IP8 air feed tubes. The 
unsafe condition, if not addressed, could affect the engine internal 
cooling and sealing flows, resulting in failure of the IP8 air 
transfer tubes, HP3 air transfer tubes, and front bearing housing 
IP8 air feed tubes, with consequent damage to the engine and reduced 
control of the airplane.

(f) Compliance

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Required Actions

(g) Required Actions

    Except as specified in paragraph (h) of this AD: Perform all 
required actions within the compliance times specified in, and in 
accordance with, European Union Aviation Safety Agency (EASA) AD 
2023-0087, dated April 26, 2023 (EASA AD 2023-0087).

(h) Exceptions to EASA AD 2023-0087

(h) Exceptions to EASA AD 2023-0087

    (1) Where EASA AD 2023-0087 refers to its effective date, this 
AD requires using the effective date of this AD.
    (2) This AD does not adopt the Remarks paragraph of EASA AD 
2023-0087.

(i) Alternative Methods of Compliance (AMOCs)

(i) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, AIR-520 Continued Operational Safety 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 AIR-520 Continued 
Operational Safety Branch, send it to the attention of the person 
identified in paragraph (j) of this AD and email to: [email protected].
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the local flight standards district office/certificate holding 
district office.

(j) Additional Information

(j) Additional Information

    For more information about this AD, contact Sungmo Cho, Aviation 
Safety Engineer, FAA, 2200 South 216th Street, Des Moines, WA 98198; 
phone: (781) 238-7241; email: [email protected].

(k) Material Incorporated by Reference

(k) Material Incorporated by Reference

    (1) The Director of the Federal Register approved the 
incorporation by reference 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) European Union Aviation Safety Agency (EASA) AD 2023-0087, 
dated April 26, 2023.
    (ii) [Reserved]
    (3) For service information identified in this AD, contact EASA, 
Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; phone: +49 221 8999 
000; email: [email protected]; website: easa.europa.eu. You may 
find this EASA AD on the EASA website at ad.easa.europa.eu.
    (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 (817) 222-5110.
    (5) You may view this material at the National Archives and 
Records Administration (NARA). For information on the availability 
of this material at NARA, visit: www.archives.gov/federal-register/cfr/ibr-locations or email: [email protected].