# SDR FDEA201204161443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2012
- Submitted: April 17, 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: 49,350 hours, 10,229 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6044115
- Part serial: 0628
- Condition: Failed
- 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/FDEA201204161443

## Discrepancy

EMERGENCY BATTERY 1 LOW ALERT ILLUMINATED ON  EMERGENCY LIGHT TEST.   REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY  POWER SUPPLY IAW MD-11 33-51-01-4, ACCOMPLISHED  SUCCESSFUL OPERATIONAL CK IAW AMM 33-51-01-5.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.