# SDR SWAA118560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2011
- Submitted: December 20, 2011
- Operation: Air carrier
- Aircraft: [N510SW](https://openairdocs.org/aircraft/N510SW), registered now
- Make and model: Boeing 737-5H4
- Registry model: [Boeing 737-5H4](https://openairdocs.org/model/boeing-737-5h4) (OpenAirDocs)
- Aircraft serial: 24187
- Aircraft time: 65,696 hours, 62,154 cycles
- System (JASC): [2433 · DC Rectifier/Converter](https://openairdocs.org/jasc/2433)
- Part: Tru
- Part number: 0802032501
- Part serial: 1068
- Condition: Faulty
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: J, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA118560

## Discrepancy

AIR TURNBACK, DURING CLIMBOUT PRESSURIZATION AUTOFAIL LIGHT ILLUMINATED.  FOUND TR1 CB POPPED, WOULD NOT RESET.  FLIGHT ATTENDANTS CALLED ABOUT ELECTRICAL SMOKE SMELL IN CABIN.  REMOVED AND REPLACED NR 1 TRANSFORMER RECTIFIER PER MM.

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