# SDR SWAA2025100922729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2022
- Submitted: October 9, 2025
- Operation: Air carrier
- Aircraft: N731SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27863
- Aircraft time: 77,767 hours, 45,904 cycles
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Ballast
- Condition: Failed
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025100922729

## Discrepancy

AFTER PUSH BACK AND ENGINE START BURNING SMELL IN AFT CABIN WITH GALLEY LIGHT FLICKERING.  COMPLIED WITH FIM 21-00 TASK 806, PER MM 05-51-56. UNABLE TO DUPLICATE ANY SMELL OF SMOKE OR FUMES. HOWEVER, FOUND CEILING LIGHT AT 20 DEF FLASHING. SUSPECT BALLAST FAILURE. R & R CEILING LIGHT ASSY IAW MM 33-22-00.

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