# SDR FDEA201506151820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2015
- Submitted: June 15, 2015
- Operation: Air carrier
- Aircraft: [N593FE](https://openairdocs.org/aircraft/N593FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48551
- Aircraft time: 718 hours, 14,751 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6044115
- Part serial: 2034
- Condition: Defective
- Location: Cabin
- Part time: 4,680 hours, 2,261 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201506151820

## Discrepancy

DURING PREFLIGHT CHECK FOUND EMER L1 BAT LO ALERT.  R & R EMER EXIT LIGHT POWER SUPPLY. PERFORMED SYS FUNCTIONAL TEST.  CHECKED GOOD IAW MM 33-51-01-4.

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