# SDR AUS20011066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2001
- Submitted: December 4, 2001
- Operation: Air carrier
- Make and model: Boeing 747338
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Transformer
- Part number: 7076A
- Condition: Burned Out
- Location: Cabin
- 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/AUS20011066

## Discrepancy

(AUS) TWO LIGHTING TRANSFORMERS Y7NT02 AND Y7NT03 BURNT. INVESTIGATIONFOUND THAT THE OVERHEATING WAS CAUSED BY INCORRECT PART NUMBERLAMPS FITTED IN TWO LOCATIONS. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.

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