# SDR AALA202105039001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2021
- Submitted: May 3, 2021
- Operation: Air carrier
- Aircraft: [N977NN](https://openairdocs.org/aircraft/N977NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31225
- Aircraft time: 17,017 hours, 6,964 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Indication
- Location: Zone 200 - Fuse
- 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/AALA202105039001

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LAVATORY E SMOKE DETECTOR SOUNDED FOR 15 SECONDS AND TURNED OFF. NO EVIDENCE OFSMOKE OR FUMES NOTED. NO INDICATIONS IN FLIGHT DECK. REPLACED SMOKE DETECTOR IN LAVATORY E IAW AMM 26-14-01.

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