# SDR DALA2019061803626

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2019
- Submitted: June 18, 2019
- Operation: Air carrier
- Aircraft: N920DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53582
- Aircraft time: 50,672 hours, 33,571 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/DALA2019061803626

## Discrepancy

EMERGENCY EXIT LIGHTS AT ROW 34 OVERHEAD AND EXIT SIGN LIGHT AT ROW 34 INOP. R/R BATTERY AND POWER SUPPY AT ROW 32 AND BATTERY AND POWER SUPPLY AT ROW 35 IAW AMM 33-51. OPS CHECKS NORMAL. EMERGENCY POWER SUPPLY B5-231.

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