# SDR DALA2026062903821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2026
- Submitted: June 29, 2026
- Operation: Air carrier
- Aircraft: [N391DA](https://openairdocs.org/aircraft/N391DA), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30560
- Aircraft time: 81,122 hours, 32,701 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 900
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026062903821

## Discrepancy

ATB- AIR RETURN DUE TO AFT LAV SMOKE DETECTOR ALARMING.   PLACED ON MEL FOR DISPATCH AND LATER REPLACED THE SMOKE DETECTOR. (LOG PAGE 8900488 - AIRCRAFT WAS GROUNDED).

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