# SDR UPS02438066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2002
- Submitted: April 19, 2002
- Operation: Air carrier
- Aircraft: N525UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21939
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02438066

## Discrepancy

INSPECTION TYPE:PFLT EMERGENCY EXIT SIGN ABOVE UPPER DECK ESCAPE SLIDE DOOR INOP.  LIGHT COMES ON AND THEN GOES OUT QUICKLY.  REMOVED AND REPLACED POWER PACK PER AMM 33-51-04, OPS CHECK GOOD.

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