# SDR UPS01437312

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2001
- Submitted: November 19, 2001
- Operation: Air carrier
- Aircraft: N674UP
- Make and model: Boeing 747123
- Aircraft serial: 20100
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- 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/UPS01437312

## Discrepancy

INSPECTION TYPE:N/A EMERGENCY LIGHTS EXIT SIGN OVER CREW SERVICE DOOR INOP.  REMOVED BATTERY POWER SUPPLY IAW MM 33-51-04.  REINSTALLED SAME POWER SUPPLY MODULE IAW B747 MM 33-51-04.  RELAMPED LIGHTED EXIT SIGN IAW B747 MM 33-51-02, OPS CHECKS GOOD.

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