Other State of Design

2024-25-07

Joint Aircraft System Component (JASC) Code 7230, Turbine Engine Compressor Section.

This AD applies to General Electric Company (GE) Model GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2,GEnx-1B67, GEnx-1B67/P1, GEnx-1B67/P2, GEnx-1B70, GEnx-1B70/75/P1, GEnx-1B70/75/P2, GEnx-1B70/P1, GEnx-1B70/P2, GEnx-1B70C/P1, GEnx-1B70C/P2, GEnx-1B74/75/P1, GEnx-1B74/75/P2,GEnx-1B76/P2, GEnx-1B76A/P2, GEnx-2B67, GEnx-2B67B, and GEnx-2B67/P engines with aninstalled: (1) Stages 6-10 compressor rotor spool (stages 6-10 spool) having a part number (P/N) and serialnumber (S/N) listed in paragraph 4, Appendix—A, Table 1 of GE GEnx-1B Service Bulletin 72-0525,R01, dated June 10, 2024 (GEnx-1B SB 72-0525, R01); or (2) Stages 6-10 spool having a P/N and S/N listed in paragraph 4, Appendix—A, Table 1 of GE GEnx-2B Service Bulletin 72-0460, R01, dated June 10, 2024 (GEnx-2B SB 72-0460, R01).

FAA

2021-0282R1 [Correction: 08 January 2025]

ATA 64 – Tail Rotor – Tail Rotor Head Pitch Change Unit Bearing Spacer – Marking / Check

AS 350 B, AS 350 BA, AS 350 BB, AS 350 B1, AS 350 B2, AS 350 B3, AS 350 D helicopters, and AS 355 E, AS 355 F, AS 355 F1, AS 355 F2, AS 355 N, AS 355 NP helicopters, all serial numbers.

EASA

2025-0006

ATA 05 – Time Limits / Maintenance Checks – Certification Maintenance Requirements and Airworthiness Limitations – Amendment

ATR 72-101, ATR 72-102, ATR 72-201, ATR 72-202, ATR 72-211, ATR 72-212 and ATR 72-212A aeroplanes, all manufacturer serial numbers.

EASA

2025-0004

ATA 27 – Flight Controls – Rudder Travel Limitation Unit Logic – Modification

ATR 42-400 and ATR 42-500 aeroplanes, all manufacturer serial numbers (MSN), except those on which ATR modification (mod) 10469 has been embodied in production; and ATR 72-101, ATR 72-102, ATR 72-201, ATR 72-202, ATR 72-211, ATR 72-212 and ATR 72-212A aeroplanes, all MSN, except those on which ATR mod 10453 has been embodied in production.

EASA

2025-0003

ATA 72 – Engine – Low Pressure Turbine – Stage 4 and Stage 5 Disks – Replacement

LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2 and LEAP-1A35A engines, all serial numbers (s/n). LEAP-1B21, LEAP-1B23, LEAP-1B25, LEAP-1B27, LEAP-1B28, LEAP-1B28B1, LEAP-1B28B2, LEAP-1B28B2C, LEAP-1B28B3, LEAP-1B28BBJ1 and LEAP-1B28BBJ2 engines, all s/n. LEAP-1C28, LEAP-1C30 and LEAP-1C30B1 engines, all s/n. These engines are known to be installed on, but not limited to, certain Airbus A319, A320, A321, Boeing 737-8, 737-8200, 737-9 and COMAC C919 aeroplanes.

EASA

2025-0002

ATA 72 – Engine – Intermediate Pressure Compressor / Variable Inlet Guide Vane –Inspection(s)

Trent 1000-A2, Trent 1000-C2, Trent 1000-D2, Trent 1000-E2, Trent 1000-G2, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, Trent 1000-L2, Trent 1000-AE2 and Trent 1000-CE2 engines, all serial numbers.

EASA

2024-0222 [Correction: 06 January 2025]

ATA 25 – Equipment / Furnishings – Equipment Rack Extension Support Rails –Modification

MBB-BK117 C-2, all variants, all serial numbers (s/n), if modified by EASA STC EASA.R.S.01506, EASA STC 10016765 Rev. 3 (formerly STC EASA.IM.R.S.01096), EASA STC 10016793 Rev. 2 (formerly STC EASA.IM.R.S.01143), EASA STC 10017157 Rev. 1 (formerly STC EASA.R.S.01265), EASA STC 10030992 Rev. 3, EASA STC 10039944 Rev. 1 (formerly STC FOCA.21J.004-SADD-2005-001 or STC LBA STC RC1240), or EASA STC 10075050 (previously STC FOCA 25-20-95 or LBA STC RC 1231), or any previous revision.

EASA

2024-25-51

Joint Aircraft System Component (JASC) Code 6700, Rotorcraft Flight Control.

This AD applies to Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 helicopters, certificated in any category. Note 1 to paragraph (c): Helicopters with an MBB-BK 117 C-2e designation are Model MBB-BK 117 C-2 helicopters.

FAA