What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY 4F-1L SMOKE ALARM CHIRPS WHEN ANY MOVEMENT CLOSE TO IT. REPLACED SMOKE DETECTOR PER AMM 26-13-01.
- Difficulty date
- January 25, 2023
- Submitted
- January 26, 2023
- Operation
- Air carrier
- Aircraft
- N772AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29580
- Aircraft time
- 91,410 hours, 11,873 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Part number
- 4755711
- Condition
- Malfunctioned
- Location
- Lavatory
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.