# SDR FDEA201207242663

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2012
- Submitted: August 6, 2012
- Operation: Air carrier
- Aircraft: [N642FE](https://openairdocs.org/aircraft/N642FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48485
- Aircraft time: 50,062 hours, 10,442 cycles
- Engine: Pwa PW4460
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Discharged
- Location: Emergency Lights
- 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/FDEA201207242663

## Discrepancy

RECEIVED A "EMERGENCY LIGHT BATTERY 1 LOW" LEVEL 1 ALERT DURING  PREFLT TEST.  CHECKED WIRING FROM RELAY R2-5700 PIN A3 TO EMERGENCY LIGHT BATTERY CONECTOR J1 PIN 6, ALL OPS CHECKED GOOD.  CHECKED FOR POWER ON PIN A2 OF RELAY R2-5700 AND FOUND 115 VOLTS AC.  REMOVED AND REPLACED RELAY R2-5700 AND CHECKED FOR POWER AT PIN 6 OF J1 CONNECTOR OF THE EMERGENCY BATTERY AND FOUND 115 VOLTS AC. REMOVED AND REPLACED DISCHARGED EMERGENCY LIGHT BATTERY IAW AMM-33-51-01-4,  OPS CHECKED IAW AMM-33-51-01-05 , CHECKED GOOD.

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