# SDR IPXA2023082994047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2023
- Submitted: August 29, 2023
- Operation: Air carrier
- Aircraft: [N253UP](https://openairdocs.org/aircraft/N253UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48439
- Aircraft time: 79,512 hours, 18,150 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: UNKNOWN
- 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/IPXA2023082994047

## Discrepancy

DURING PREFLIGHT TEST EMER LTS, "EMER LT BAT 1 LO" MSG. DEFERRED EMERGNECY LIGHTING SYSTEM IAW MEL 33-50-4 DMP ACCOMPLISHED, PLACARD INSTALLED. M 811922 ASSIGNEDR/R EMERGENCY POWER SUPPLY BATTERY PER AMM 33-51-01-000-802. OPS TEST GOOD PER AMM TASK 33-51-01-000-802 ESR IPC 33-51-01-05. THIS CLEARS M811922

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