What was found
FIRE/SMOKE ALARM SOUNDED IN AFT LAVATORY ON APPROACH. NO FIRE PRESENT. REMOVED & REPLACED AFT LAVATORY SMOKE DETECTOR, PER AMM 26-14-01 POS AFT P/N OFF PU90-499 S/N OFF 17228 P/N ON 475571-2 S/N ON NONE.
- Difficulty date
- December 6, 2020
- Submitted
- December 9, 2020
- Operation
- Air carrier
- Aircraft
- N750SA
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29802
- Aircraft time
- 74,357 hours, 43,780 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Part number
- PU90499
- Part serial
- 17228
- Condition
- False Activation
- Location
- Aft Lavatory
- 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.