# SDR AALA202009239010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2020
- Submitted: September 23, 2020
- Operation: Air carrier
- Aircraft: [N783AN](https://openairdocs.org/aircraft/N783AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30004
- Aircraft time: 81,709 hours, 9,801 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202009239010

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  LAVATORY 4F-L SMOKE DETECTOR SOUNDED SMOKE LAVATORY ENGINE INDICATING CREW ALERTING SYSTEM MESSAGE, NO SMOKE VISUALLY SEEN.  PERFORMED FIM 26-14-00 FOR SMOKE DETECTED LAV 4F-L.  NO FAULTS, NO MESSAGE.  PERFORMED OPERATIONS TEST LAVATORY SMOKE DETECTION SYSTEM, PER AMM 26-13-00, NO FAULTS.

---
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.