# SDR IPXA2017040215740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2017
- Submitted: April 12, 2017
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- Aircraft time: 66,444 hours, 11,791 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6044115
- Part serial: 00951076
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017040215740

## Discrepancy

ON PREFLIGHT LEVEL 1 ALERT "EMER LT BAT 1 LO" MX NOTIFIED. PERFORMED DMP IAW MEL 33-50-4. PULLED CB'S, DISCONNECTED CAP'S OF EMER BAT PACK.  R&R BATTERY EMER PWR SUPPLY,  TESTS ALL PASSED PER AMM 33-51-01.

---
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.