# SDR FDEA202007131494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2020
- Submitted: July 14, 2020
- Operation: Air carrier
- Aircraft: [N624FE](https://openairdocs.org/aircraft/N624FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48443
- Aircraft time: 108,016 hours, 22,414 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Cabin
- Stage of operation: UK
- How discovered: C
- Nature of condition: J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202007131494

## Discrepancy

DURING / AFTER EMERGENCY LIGHT TEST GOT "EMERG LT  BAT 1 LO" ALERT.  EMER LIGHTS - INOP.  IDENTIFIED PARTS  EMERG EXIT LIGHTS  MPN: 60-4411-5 CPN: 3300197.  PARTS(S) IDENTIFIED ARE THE MOST PROBABLE CAUSE.  TROUBLESHOOTING IS REQUIRED PRIOR TO INSTALLING PART(S).  NEW PWR SUPLY, EMERG EXIT LIGHTS INSTALLED AND TESTED IAW AMM 33-51-01-4-0 ALL GOOD.

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