# SDR UPS00431251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N681UP
- Make and model: Boeing 747121
- Aircraft serial: 19661
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- 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/UPS00431251

## Discrepancy

LEFT FWD ENTRY DOOR FWD EMERGENCY LT INOP.  REMOVED AND REPLACED BATTERY PACK, OPS CK GOOD.

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