# SDR UPS04442209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2004
- Submitted: April 19, 2004
- Operation: Air carrier
- Aircraft: N682UP
- Make and model: Boeing 747121
- Aircraft serial: 20349
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: L1 Door
- 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/UPS04442209

## Discrepancy

AFT EMERGENCY LIGHT IN L1 DOOR INOP.  REMOVED AND REPLACED BATTERY PACK IAW MM 33-51-04, OPS CHECK GOOD.

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