Service difficulty report · Fire Detector · Boeing 777222

Difficulty date
February 4, 2026
Submitted
February 6, 2026
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
91,581 hours, 12,226 cycles
Part
Fire Detector
Part number
473482
Condition
Faulted
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

STATUS MSGS OVERHEAT CIRCUIT R1 & R2 FIRE LOOP 1/2 ENG R T/S REF FIMS 26-11 TASK 811 AND 26-11 TASK 809. FOUND NR 2 ENG DET 2: M26005 (LOWER AFT ENG) BROKEN OFF AT TERMINAL END ATTACH POINT AND DET 1: M26006 MISSING HARDWARE. REQUIRES DETECTOR 2 M26005 REPLACEMENT AND DET 1 M26006 HARDWARE REPLACEMENT. INSTALLED MISSING FASTENERS AND REPLACED FIRE LOOP #2 REF AMM 26-11-01-400-805-002. UP TO CHECKS. PERFORMED ENGINE FIRE DECTECTION OPERATIONAL TEST, TASK 26-11-00-710-801. TEST PASSED, NO STATUS MSGS PRESENT. PERFORMED ENGINE FIRE DECTECTION OPERATIONAL TEST, TASK 26-11-00-710-801. TEST PASSED, NO STATUS MSGS PRESENT.