# SDR BB05080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2005
- Submitted: September 19, 2005
- Operation: Air carrier
- Aircraft: N656US
- Make and model: Boeing 767-2B7
- Registry model: [Boeing 767-2B7](https://openairdocs.org/model/boeing-767-2b7) (OpenAirDocs)
- Aircraft serial: 26847
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20121
- Condition: Unserviceable
- Location: Emergency Light
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BB05080

## Discrepancy

SNN DURING DAILY CHECK, MAINTENANCE FOUND THE FORWARD LEFT-HAND EMERGENCY PACK INOPERATIVE.  MAINTENANCE PERFORMED TROUBLESHOOTING AND FOUND THE POWER SUPPLY AT THE FORWARD LEFT-HAND POSITION UNSERVICEABLE.  REPLACED POWER SUPPLY PER MM 33-51-07-02.  OPERATIONAL CHECK GOOD.

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