# SDR IPXA2022042681481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2022
- Submitted: April 27, 2022
- Operation: Air carrier
- Aircraft: [N273UP](https://openairdocs.org/aircraft/N273UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48574
- Aircraft time: 72,689 hours, 15,255 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: TX
- How discovered: 9
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022042681481

## Discrepancy

LVL EMER LT BATT 1 LO.DEFERRED EMERGENCY LIGHTS INOP PER MEL 33-50-4.   EMERGENCY POWER SUPPLY BATTERY REF AMM 33-51-01-401/501. OPS TEST GOOD REF AMM 33-51-01-700-802. THIS CLEARS M779626

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