# SDR UPS02439805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2002
- Submitted: October 23, 2002
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21936
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02439805

## Discrepancy

INSPECTION TYPE: ASE UPPER DECK EMERGENCY EXIT DOOR SILL WOULD NOT ILLUMINATE DURING ASE CHECK     REPLACED EMERGENCY LIGHT BATTERY PACK REF MM 33-51-04. LIGHT OPS CHECK GOOD.

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