# SDR IPXA2021070771372

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2021
- Submitted: July 19, 2021
- Operation: Air carrier
- Aircraft: [N250UP](https://openairdocs.org/aircraft/N250UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48745
- Aircraft time: 61,546 hours, 14,053 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Faulted
- Location: Emergency Lights
- Stage of operation: TX
- 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/IPXA2021070771372

## Discrepancy

EMBER BAT 1 LO EIS ALERT.   DEFERRED ITEM USING MEL 33-50-4 ACCOMPLISHED DMP. PULLED & COLLARED 5 CB'S & DISCONNECTED.DMP 33-50-4 REVERSED. REPLACED EMERGENCY BATTERY POWER SUPPLY IAW AMM 33-51-01-401. THIS CLEARS DEFERRAL M749412, PLACARD REMOVED.

---
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.