# SDR 97UAL900745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N154UA](https://openairdocs.org/aircraft/N154UA), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20103
- Engine: Pwa JT9D7A
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Cabin
- Stage of operation: NR
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900745

## Discrepancy

DOOR 3 RIGHT FWD AND AFT COVE EMERGENCY EXIT SIGNS INOPERABLE.  REPLACED BATTERY POWER SUPPLY MODULE ITEM M445, OP CHECKED GOOD.

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