# SDR UIEA200400029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2004
- Submitted: March 16, 2004
- Operation: Air carrier
- Aircraft: [N499MC](https://openairdocs.org/aircraft/N499MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29260
- Engine: Ge CF680C2*
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Transformer
- Part number: 245904
- Condition: Burned
- Location: P7 Panel
- Stage of operation: CR
- 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/UIEA200400029

## Discrepancy

GT603/6 HSV/PIK BURNT ODOR IN COCKPIT:  AIRCRAFT HAS A BURNT ODOR DURING ENTIRE FLIGHT.  TRACED TO TRANSFORMER T44, REMOVED AND REPLACED SAME IAW MM 33-11-05.  NO CIRCUIT BREAKER AVAILABLE, ISOLATED WIRING AND TRANSFERRED TO DMI M04-014 IAW MEL 33-11-01 CAT C.  CB WAS REMOVED AND REPLACED, AND OPERATION CHECK NORMAL.

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