# SDR ASAA2022122741255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2022
- Submitted: December 28, 2022
- Operation: Air carrier
- Aircraft: N305AS
- Make and model: Boeing 737990
- Aircraft serial: 30013
- Aircraft time: 68,923 hours, 27,660 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022122741255

## Discrepancy

EXT EMER OFFWING GROUND ILLUMINATION LIGHT INOP. GROUNDED - YES. REMOVE & REPLACE POWER SUPPLY AT ROW 20 LOWER UNIT. REF B737-900 AMM 33-51-06--960-806.

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