Service difficulty report · Smoke Detector · Boeing 73783N

Difficulty date
October 31, 2025
Submitted
November 3, 2025
Operation
Air carrier
Aircraft
N5479A
Make and model
Boeing 73783N
Aircraft serial
32578
Aircraft time
67,979 hours, 40,833 cycles
Part
Smoke Detector
Condition
Malfunctioned
Location
Zone 200
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

SMOKE ALARM WENT OFF WHEN WE WERE ON BASE TO FINAL LAVATORY SMOKE DETECTION SYSTEMS. REPLACED LAVATORY SMOKE DETECTOR IAW AMM 26-14-01, OPS CHECK GOOD,

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