# SDR DALA2026080504524

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2026
- Submitted: August 5, 2026
- Operation: Air carrier
- Aircraft: [N3737C](https://openairdocs.org/aircraft/N3737C), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30799
- Aircraft time: 72,974 hours, 33,156 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Smoke
- Location: Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026080504524

## Discrepancy

ON LIFTOFF, AFT FLIGHT ATTENDANT SAID SMOKE IN THE MID TO AFT CABIN.   R & R HEAT EXCHANGERS, ACM, TEMP CONTROL VALVE, SENSE LINE AND RECIRCULATION FILTER. (5930822) AIRCRAFT WAS GROUNDED

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