# SDR DALA2023111409371

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2023
- Submitted: November 14, 2023
- Operation: Air carrier
- Aircraft: [N936DZ](https://openairdocs.org/aircraft/N936DZ), registered now
- Make and model: Boeing 737-9GPER
- Registry model: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (OpenAirDocs)
- Aircraft serial: 38313
- Aircraft time: 24,789 hours, 17,538 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023111409371

## Discrepancy

SHIP 3936 -ATB/FUMES- RETURNED TO ATL DUE TO BURNING ODOR IN COCKPIT AFTER TAKEOFF. CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. CORRECTIVE ACTION: #2 ZONE TEMP CONTROLLER FAULTS COCKPIT TRIM AIR VALVE. REPLACED SAME AND RECIRCULATION FILTERS. OPS CHECKS GOOD.

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