# SDR CALA2024072202083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2024
- Submitted: July 22, 2024
- Operation: Air carrier
- Aircraft: [N75425](https://openairdocs.org/aircraft/N75425), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33460
- Aircraft time: 50,693 hours, 17,940 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Warning
- Condition: False Activation
- Location: Zone 900
- Stage of operation: DE
- 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/CALA2024072202083

## Discrepancy

SMOKE ALARM IN FORWARD LAV WENT OFF. PERFORMED LAVATORY SMOKE TEST AS PER 26-14-00-730-801. NO IS NO SMOKE). DEFECTS NOTED AT THIS TIME. NO SMOKE OR ANY INDICATION OF FIRE IN THE LAV. THERE IS A NOTE IN  FIM REF 26-14 TASK 801. (IF CABIN PRESSURE INCREASES, THE SMOKE ALARM CAN COME ON WHEN THERE IS NO SMOKE).

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