# SDR IPXA2023081893953

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2023
- Submitted: August 18, 2023
- Operation: Air carrier
- Aircraft: [N281UP](https://openairdocs.org/aircraft/N281UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48538
- Aircraft time: 72,231 hours, 17,109 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: UNKNOWN
- Part serial: NA
- Condition: No Test
- Location: Unknown
- 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/IPXA2023081893953

## Discrepancy

EMERGENCY EXIT LIGHTS FAIL TEST. "MAIN BAT 1 LO". DEFERRED PER MEL 33-50-4 C/W DMP 33-50-4.  R&R EMERGENCY BATTERY SUPPLY IAW AMM 33-51-01 REVERSED DMP 33-50-4 OF CHECK GOOD REMOVED PLACARD THIS CLEARS M811555 MD11 IPC 33-51-01-05

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