# SDR UPS98427146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21944
- 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/UPS98427146

## Discrepancy

INSPECTION TYPE-N/A, UPPER DECK AFT TWO EMERGENCY LIGHTS INOP.  REMOVED AND REPLACED UPPER DECK AFT EMERGENCY LIGHT BATTERY PACK PER B747 M/M 33-51-04 AT STA 650 M335 POWER SUPPLY.

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