# SDR AALA201708169030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2017
- Submitted: August 16, 2017
- Operation: Air carrier
- Aircraft: [N821AN](https://openairdocs.org/aircraft/N821AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40640
- Aircraft time: 3,574 hours, 381 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory
- Stage of operation: UK
- 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/AALA201708169030

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  SMOKE DETECTOR IN LAVATORY 3R HAD A FALSE INDICATOR LIGHT AND EICAS MESSAGE.  ACCOMPLISHED INSPECTION OF FIRE EXTINGUISHER PER AMM 26-24-01, TEMPERATURE INDICATOR STRIP PER AMM 26-24-02, AND LAVATORY SMOKE DETECTOR OPERATIONAL CHECK PER AMM 26-13-00-00B-320A.  OPERATIONAL CHECK GOOD.

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