# SDR DALA2022010300034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2021
- Submitted: January 3, 2022
- Operation: Air carrier
- Aircraft: [N890DN](https://openairdocs.org/aircraft/N890DN), registered now
- Make and model: Boeing 737900
- Aircraft serial: 62775
- Aircraft time: 11,685 hours, 4,360 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702030
- Condition: Inoperative
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022010300034

## Discrepancy

(LOG 7300922) DURING INSPECTION FOUND SEGMENT OF EMER LIGHTS GO ON WHEN ARMED. R&R'D POWER SUPPLY. OPS NORMAL. REF B737 AMM 33-51-06.

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