# SDR SCNA00073

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2000
- Submitted: July 7, 2000
- Operation: Air carrier
- Aircraft: [N151SY](https://openairdocs.org/aircraft/N151SY), registered now
- Make and model: Doug DC-10-15
- Registry model: [Doug DC-10-15](https://openairdocs.org/model/mcdonnell-douglas-dc-10-15) (OpenAirDocs)
- Aircraft serial: 48295
- Aircraft time: 41,115 hours, 21,553 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: EMBS1392
- Part serial: 54997
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA00073

## Discrepancy

DURING A MAINTENANCE LINE CHECK THE FORWARD POWER SUPPLY FAILED THE SELF TEST OF THE EMERGENCY LIGHTS.  REMOVED AND REPLACED THE FORWARD CABIN EMERGENCY LIGHTING POWER SUPPLY IAW MM335101, OPERATIONAL CHECKS GOOD.

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