# SDR IPXA10M59663

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2010
- Submitted: May 5, 2010
- Operation: Air carrier
- Aircraft: [N253UP](https://openairdocs.org/aircraft/N253UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48439
- Engine: Ge CF680C2D1F
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 604411
- Part serial: 33
- 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/IPXA10M59663

## Discrepancy

DURING EMERGENCY LIGHT TEST LO BAT 1 MSG.  REPLACED AND OPERATIONAL TESTED EMERGENCY LIGHT SYS IAW MM CH AP 33-51-01-04 AND 33-51-04-5. PN OFF AND ON 60-4411 SN OFF 33 SN ON35.

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