Service difficulty report · Smoke Detector · Boeing 777300ER

Difficulty date
March 24, 2025
Submitted
March 26, 2025
Operation
Air carrier
Aircraft
N2251U
Make and model
Boeing 777300ER
Aircraft serial
66591
Aircraft time
22,305 hours, 2,638 cycles
Part
Smoke Detector
Condition
False Activation
Location
Zone 200
Stage of operation
UK
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

SMOKE DETECTED & INDICATION FAULT MESSAGE SHOWS ZONE B SMOKE DETECTED SHOWS ON ALL FA DISPLAY PANEL NO FAIL INDICATED IN CPT PEFORMED FIM TASK 811 AND EXAMINED ALL LAVS AND CREW REST AREA, NO FAULTS FOUND. SMOKE DETECT DETECTION FAULT DOES NOT SHOW ON.

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