# SDR FDEA202312031903

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2023
- Submitted: December 5, 2023
- Operation: Air carrier
- Aircraft: [N591FE](https://openairdocs.org/aircraft/N591FE), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48527
- Aircraft time: 93,060 hours, 21,109 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6044115
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202312031903

## Discrepancy

EMER LT BAT 1 LO LEVEL 1 ALERT ON EMERGENCY LIGHTS  TEST.   REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY,  REF AMM 33-51-01-4, OPS CHECKS GOOD.  A/C OK FOR  SERVICE.  REMOVED POWER SUPPLY, EMERGENCY EXIT LIGHTS.  MFG: GRIMES, P/N 60-4411-5, S/N 0555

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