# SDR UPS00433780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2000
- Submitted: September 22, 2000
- Operation: Air carrier
- Aircraft: N520UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 900835A
- Part serial: 2851
- Condition: Inoperative
- Location: Cabin
- 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/UPS00433780

## Discrepancy

INSPECTION TYPE:N/A, EMERGENCY LIGHT OVER UPPER RT ESCAPE DOOR INOP.  REMOVED AND REPLACED BATTERY PACK IAW MM 31-51-04.  OPS CHECK GOOD.

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