# SDR FDEA202203300768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2022
- Submitted: April 1, 2022
- Operation: Air carrier
- Aircraft: [N643FE](https://openairdocs.org/aircraft/N643FE), registered now
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48486
- Aircraft time: 73,859 hours, 17,627 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6044115
- Part serial: 1024
- Condition: Failed
- Location: N/A
- Stage of operation: UK
- 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/FDEA202203300768

## Discrepancy

EMERGENCY POWER TEST FAIL ON PREFLIGHT.   REMOVED AND REPLACED EMER EXIT LIGSHT POWER SUPPLY  PER MD11 AMM 33-51-01-4 AND OPS TEST PER MD11 AMM  33-51-01-5, SATIS.

---
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.