# SDR IPXA2023092694250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2023
- Submitted: September 26, 2023
- Operation: Air carrier
- Aircraft: [N284UP](https://openairdocs.org/aircraft/N284UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48541
- Aircraft time: 73,956 hours, 15,372 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/IPXA2023092694250

## Discrepancy

LVL1 EMER LT BAT 1 LO DURING PREFLIGHT CHECK. DEFERRED EMERGENCY LIGHTING SYSTEM PER MD11 MEL 33-50-4. DMP COMPLIED, CONTROL# M812709 ASSIGNED, PLACARD INSTALLEDR&R EMERG LIGHTING BATT POWER SUPPLY PER MM TASK 33-51-01 REVERSED DMP 33-50-4. PERFORMED OPER CHK PER MM 33-51-01-700-802. CHK OK. THIS CLEARS M 812709. PLACARD REMOVED

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