# SDR DALA13052566312

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2013
- Submitted: October 15, 2013
- Operation: Air carrier
- Aircraft: N672US
- Make and model: Boeing 747451
- Aircraft serial: 30267
- Aircraft time: 62,515 hours, 7,763 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Light
- 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/DALA13052566312

## Discrepancy

RT EXTERIOR EMERGENCY LIGHT AFT OF WING INOPERATIVE.   TROUBLESHOT IAW WDM 33-51-42 AND REPLACED POWER SUPPLY AND BATTERY IAW MM 33-51-04, OPS CHECKED GOOD.  OK FOR SERVICE.

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