What was found
AIRCRAFT WAS NOT GROUNDED: SMOKE DETECTOR ACTIVATED FOR LAVATORY 3F-2R AFTER TOP OF DESCENT WITH NO SMOKE PRESENT. ACCOMPLISHED OPERATIONAL TEST IAW AMM 26-13-00-710-801, OPS CHECK GOOD.
- Difficulty date
- January 29, 2021
- Submitted
- February 1, 2021
- Operation
- Air carrier
- Aircraft
- N780AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29956
- Aircraft time
- 79,207 hours, 10,018 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Condition
- False Activation
- Location
- Zone 900 Lav/G
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.