What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY 3F-1L SMOKE ALARM ALERTED WITH NO SMOKE PRESENT. RED LIGHT STAYED ILLUMINATED IN LAVATORY. REPLACED LAV 3F-1L SMOKE DETECTOR PER MM 26-13-01.
- Difficulty date
- November 14, 2021
- Submitted
- November 16, 2021
- Operation
- Air carrier
- Aircraft
- N775AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29584
- Aircraft time
- 87,602 hours, 10,758 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Part number
- 4755711
- Condition
- False Activation
- Location
- Zone 900 - Lav/G
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.