What was found
AIRCRAFT WAS NOT GROUNDED: 4L LAVATORY SMOKE ALARM SOUNDED AND FLASHED LIGHTS WITH SMOKE LAVATORY EICAS ILLUMINATED, NO SMOKE OBSERVED. ACCOMPLISHED 4L LAVATORY SMOKE DETECTION OPS TEST IAW AMM 26-13-00, OPS CHECK GOOD.
- Difficulty date
- May 2, 2021
- Submitted
- May 4, 2021
- Operation
- Air carrier
- Aircraft
- N773AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29583
- Aircraft time
- 85,447 hours, 10,724 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Condition
- False Activation
- Location
- Lavatory
- Stage of operation
- NR
- 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.