# SDR IPXA2021090973763

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2021
- Submitted: September 14, 2021
- Operation: Air carrier
- Aircraft: [N256UP](https://openairdocs.org/aircraft/N256UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48405
- Aircraft time: 88,352 hours, 19,332 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- 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/IPXA2021090973763

## Discrepancy

EMER LT BATT1LO WARING ON PRELIGHT. DEFERRED EMERGENCY LIGHTING SYS PER MEL 33-50-4 DMP C/W CONTROL # IS M756157 PLACARD INSTALLEDR/R EMERGENCY LIGHTING BATTERY POWER SUPPLY IAW AMM 33-51-01. OPS CK GOOD. THIS CLEARS M756157

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