SDR YENA2025123101315

Service difficulty report · Fdu · Airbus A321271NX

Difficulty date: December 31, 2025
Submitted: January 7, 2026
Operation: Air carrier
Aircraft: N2188J
Make and model: Airbus A321271NX
Aircraft serial: 11955
Aircraft time: 6,297 hours, 1,180 cycles
System (JASC): 2612 · Fire Detection
Part: Fdu
Part number: 9090120201
Part serial: A0062420
Condition: Faulted
Location: Nr 1 Engine
Part time: 12,937 hours, 2,073 cycles
Stage of operation: IN
How discovered: V
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FLT 1487 LAX-BOS (ETOPS). " ENG 1 FIRE LOOP A FAULT (ENGINE FIRE DETECTION SYSTEMS 1) LOOP A). REMOVED AND REPLACED FDU NR 1 (2WD1)IN REF W/ AMM 26-12-34, BITE TEST OK, OPC GOOD. REF L/P 4470945 ITEM 1 FOR GROUND VERIFICATION, MX-4 UPDATED, PLACARD RMCD, MDDR CLEARED.

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