# SDR 96ZZZM1120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N963AS
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53077
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6011779
- Condition: Defective
- Location: Cargo Compt
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZM1120

## Discrepancy

OAK - DURING ENGINE RUN-UP AT 15K CHECK, WHEN THE GENERATOR WAS DROPPED OFF LINE, THE EXTERIOR OVERWING EMERGENCY LIGHTS ILLUMINATED WITH THE EMERGENCY LIGHT SWITCH IN THE OFF POSITION.  REPLACED THE POWER SUPPLY AND RELAY R2-271 AND OPERATED NORMALLY.  REFERENCE ASAA9680139.

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