# SDR 98UAL900405

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N153UA
- Make and model: Boeing 747123
- Aircraft serial: 20102
- Engine: Pwa JT9D7A
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- 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/98UAL900405

## Discrepancy

THREE EMERGENCY EXIT SIGNS ABOVE AND AROUND DOOR 1 LEFT IS INOP.  REPLACED BATTERY PACK, OP CK OK.

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