# SDR AALA201809199010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2018
- Submitted: September 19, 2018
- Operation: Air carrier
- Aircraft: [N827AN](https://openairdocs.org/aircraft/N827AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40649
- Aircraft time: 5,537 hours, 573 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201809199010

## Discrepancy

SMOKE DETECTOR AURAL ALERT, SMOKE INDICATION DISAGREES WITH LAVATORY CONDITION AT ABOUT 6  HOURS, 45 MINUTES INTO FLIGHT.  AFTER 2 MINUTES, NO SMOKE OBSERVED BY FLIGHT ATTENDENT.  ACCOMPLISHED A LAVATORY SMOKE DETECTION OPS TEST IAW AMM DMC-B787-A-26-13-00.  SMOKE DETECTION SYSTEM CHECKED NORMAL. NO FAULTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
