# SDR IPXA2021070771373

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2021
- Submitted: July 19, 2021
- Operation: Air carrier
- Aircraft: [N288UP](https://openairdocs.org/aircraft/N288UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48540
- Aircraft time: 79,859 hours, 15,597 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: NA
- Part serial: NA
- Condition: Discharged
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021070771373

## Discrepancy

EMERG LT BAT1 LOW.    DEFERED PER MEL 33-50-4 DMP 33-50-4 C/W DI M749426 ASSIGNED & PLACARDED.REPLACED EMERGENCY POWER SUPPLY BATTERY REF MM 33 51 10 01 DEFERRAL CLEARED REVERSAL OF DMP ACCOMPLISED EFF SOURCE REF 33 51 01 000 802.

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