# SDR 97UAL900593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N158UA
- Make and model: Boeing 747238B
- Aircraft serial: 21054
- Engine: Pwa JT9D7J
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery  Pack
- Condition: Discharged
- Location: Cabin
- Stage of operation: UK
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900593

## Discrepancy

MAIN ENTRY DOOR 4 RIGHT EMERGENCY DROP CEILING LIGHT INOPERABLE.  *S/D*  DISCHARGE OF FAILED BATTERY PACK.  REPLACED BATTERY PACK.

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