# SDR DALA2020011400239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2020
- Submitted: January 14, 2020
- Operation: Air carrier
- Aircraft: [N959AT](https://openairdocs.org/aircraft/N959AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55021
- Aircraft time: 52,592 hours, 36,305 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/DALA2020011400239

## Discrepancy

EMERGENCY OVER WING EXIT SIGN IS INOPERATIVE AT B20DC. MAINTENANCE REPLACED THE POWER SUPPLY, EMERGENCY BATTERY AT 20DC, RIGHT HAND AFT EMERGENCY EXIT PER AMM 33-51-06. OPERATIONAL CHECK WAS GOOD. OK FOR SERVICE.

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