What was found
AIRCRAFT WAS NOT GROUNDED: 1A-L LAVATORY SMOKE DETECTOR CHIRPS WHEN DOOR OPENS AND CLOSED. LAVATORY SMOKE DETECTION SELF TEST C/OUT PER AMM 26-13-00, OPERATES NORMAL NO CHIRP NOISE WHEN DOOR OPENED AND CLOSED.
- Difficulty date
- December 27, 2021
- Submitted
- December 27, 2021
- Operation
- Air carrier
- Aircraft
- N772AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29580
- Aircraft time
- 87,929 hours, 11,397 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Condition
- False Activation
- Location
- Zone 900 - Lav/G
- Stage of operation
- NR
- 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.