SDR YENA2025101401026

Service difficulty report · Fire Loop · Airbus A321271NX

Difficulty date: October 12, 2025
Submitted: October 14, 2025
Operation: Air carrier
Aircraft: N4074J
Make and model: Airbus A321271NX
Aircraft serial: 11354
Aircraft time: 9,209 hours, 1,403 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Loop
Condition: Faulted
Location: Nr 2 Engine
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

FLT#8351, BOS-JFK. (ETOPS) "#2 ENG LOOP B FAULT ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B ). PERFORMED INSPECTION OF WIRE HARNESS PER TSM 26-12-00 -810-806 A NO DEFECTS NOTED THIS CLEARS MDDR 597097, MX-4 UPDATED, PLACARD REMOVED MCC CONTACTED 79453.

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