# SDR AALA201707249052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2017
- Submitted: July 25, 2017
- Operation: Air carrier
- Aircraft: [N722AN](https://openairdocs.org/aircraft/N722AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 31547
- Aircraft time: 18,079 hours, 2,075 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Warning
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201707249052

## Discrepancy

THE AIRCRAFT WAS NOT GROUNDED.  LAV 4R SMOKE DETECTOR AURAL ALERT AND COCKPIT EICAS MESSAGE SMOKE LAV/COMP WAS ON MOMENTARILY WITH NO SMOKE OR HEAT IN LAV.  ACCOMP AMM 26-13-00 LAV SMOKE DETECTION OPERATIONAL TEST NO FAULTS NOTED.

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