# SDR AT9900044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N839AT](https://openairdocs.org/aircraft/N839AT), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47089
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 60030451
- Condition: Defective
- Location: Row 1-18
- 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/AT9900044

## Discrepancy

OVERHEAD EMERGENCY LIGHTING LIGHTS FROM ROW 1 TO ROW 18 WILL NOT ILLUMINATE, DURING MAINTENANCE TESTING.  REMOVED AND REPLACED STATION 628 FORWARD POWER SUPPLY, REFERENCE MM 33-50.  OPERATIONAL CHECKED GOOD.

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