# SDR UPS05444681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2005
- Submitted: June 10, 2005
- Operation: Air carrier
- Aircraft: N520UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21943
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS05444681

## Discrepancy

EMERGENCY BATTERY PACK INOP FOR AFT 2 CEILING LIGHTS IN UPPER DECK.  REPLACED EMERGENCY BATTERY PACK M335.  OPS CHECK GOOD PER 33-51-00 PG 501.

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