# SDR AALA202110225079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2021
- Submitted: October 22, 2021
- Operation: Air carrier
- Aircraft: [N848NN](https://openairdocs.org/aircraft/N848NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31103
- Aircraft time: 34,153 hours, 13,889 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4755712
- Condition: False Activation
- Location: Zone 900 - Lav/G
- Stage of operation: NR
- How discovered: V
- Nature of condition: N, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202110225079

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FIRST CLASS LAVATORY SMOKE ALARM SOUNDED FOR 5 MIN. CHECKED OPERATION OF FORWARD SMOKE DETECTOR PER 26-14-00. NO FAULTS NOTED.

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