# SDR IPXA2023091994193

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2023
- Submitted: September 19, 2023
- Operation: Air carrier
- Aircraft: [N250UP](https://openairdocs.org/aircraft/N250UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48745
- Aircraft time: 64,901 hours, 15,430 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: UNKNOWN
- Part serial: NA
- Condition: No Test
- Location: Cabin
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023091994193

## Discrepancy

EMERGENCY LT TEST FAIL, MESSAGE-EMER LT BAT 1 LO. DEFERRED EMERGENCY LTS-MEL 33-50-4, C/N M812482. DMP C/W.R&R EMERG LIGHT POWER SUPPLY IAW AMM 33-51-01. OPS CK GOOD DMP REVERSED AND PLACARD REMOVED. THIS CLEARS THIS DEFERRED.

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