# SDR IPXA2019010737614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2019
- Submitted: January 11, 2019
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- Aircraft time: 70,125 hours, 12,831 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019010737614

## Discrepancy

INSPECTION TYPE:N/A EMERGENCY LIGHTING STAYS ON WHEN SW IN THE OFF POS. DEFERED EMERGENCY LIGHTING IAW MEL 33 50 4 C/ W DMP 33 50 4. PLACARD INSTALLED. **SUPPLEMENTAL SDR **REPLACED POWER SUPPLY PER AMM 33-51-01-401. TESTS OK. THIS CLEARS M658629

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