# SDR SWAA2018101525994

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2018
- Submitted: October 16, 2018
- Operation: Air carrier
- Aircraft: [N7878A](https://openairdocs.org/aircraft/N7878A), registered now
- Make and model: Boeing 737-7K9
- Registry model: [Boeing 737-7K9](https://openairdocs.org/model/boeing-737-7k9) (OpenAirDocs)
- Aircraft serial: 34320
- Aircraft time: 41,273 hours, 19,181 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71701100
- 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/SWAA2018101525994

## Discrepancy

LT OVERWING EMERGENCY EXIT SIGNS INOP.  R&R POWER SUPPLY IAW MM.

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