# SDR CALA2026081918732

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2026
- Submitted: August 20, 2026
- Operation: Air carrier
- Aircraft: [N57466](https://openairdocs.org/aircraft/N57466), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67664
- Aircraft time: 185 hours, 60 cycles
- Engine: Cfmint LEAP1B21
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 900
- 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/CALA2026081918732

## Discrepancy

SMOKE DETECTOR WENT OFF IN THE MID LAVATORY WHEN A PASSENGER WAS IN THERE. NO EVIDENCE OF SMOKE OR FIRE.  INSPECTED LAV T AND SMOKE DETECTOR, NO SMELL OR DEFECTS NOTED. SMOKE ALARM PASSED SELF TEST AND SMOKE TEST REF AMM 26-14-00.

---
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.
