Service difficulty report · Smoke Detector · Boeing 7377H4

Difficulty date
December 3, 2025
Submitted
December 4, 2025
Operation
Air carrier
Aircraft
N925WN
Make and model
Boeing 7377H4
Aircraft serial
36630
Aircraft time
57,060 hours, 34,633 cycles
Part
Smoke Detector
Condition
False Activation
Location
Zone 900
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

FORWARD LAVATORY SMOKE DETECTOR WENT OFF AT 4000 FT ON APPROACH. PULLED THE CIRCUIT BREAKER TO SILENCE ALARM. R & R FWD LAVATORY SMOKE DETECTOR IAW 26-14-01. OPS CHECKED OK.

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