# SDR TWAA9902403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N989Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47135
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 60030431
- Condition: Inop
- Location: Aft Overwing
- 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/TWAA9902403

## Discrepancy

THE AFT OVERWING EMERGENCY EXIT LIGHT WAS INOPERATIVE.  REPLACED THE POWER SUPPLY.  CHECK-C 6-25-98 STL.

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