What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE 4F-R SHOWN ON ENGINE INDICATING AND CREW ALERTING SYSTEM MESSAGE IN COCKPIT NO SMOKE IN ACTUAL LAVATORY. LAVATORY 4F-R SMOKE DETECTOR OPERATIONAL TEST PERFORMED NORMAL PER AMM 26-13-00.
- Difficulty date
- February 24, 2021
- Submitted
- February 25, 2021
- Operation
- Air carrier
- Aircraft
- N797AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30012
- Aircraft time
- 78,674 hours, 10,060 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Part number
- S283W6001
- 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.