What was found
LAV SMOKE DETECTOR ACTIVATED FOR 3-4 SECONDS ON DESCENT. FLIGHT ATTENDANTS IMMEDIATELY CHECKED LAVS AND DID NOT OBSERVE ANY SMOKE OR FIRE. NO CURRENT FAULTS. PERFORMED SMOKE DETECTOR CONTROL UNIT BITE WITH NO FAULTS DETECTED.
- Difficulty date
- January 6, 2012
- Submitted
- January 10, 2012
- Operation
- Air carrier
- Aircraft
- N521UW
- Make and model
- Airbus A321231
- Aircraft serial
- 3944
- Aircraft time
- 10,094 hours, 3,257 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Part number
- PPC120000
- Condition
- False Activation
- Location
- Lavatory
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.