# SDR NWAA091136624

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2009
- Submitted: April 17, 2009
- Operation: Air carrier
- Aircraft: [N624US](https://openairdocs.org/aircraft/N624US), registered now
- Make and model: Boeing 747251B
- Aircraft serial: 21706
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NWAA091136624

## Discrepancy

DURING OVERNIGHT CHECK, FOUND DOOR 1 RT AFT OVERHEAD CROSS AISLE EMERGENCY EXIT SIGN INOPERATIVE.  MX REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK.  OPS CHECKED GOOD AND ACFT WAS RETURNED TO SERVICE.  (K)

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