# SDR ASAA2020040232593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2020
- Submitted: April 2, 2020
- Operation: Air carrier
- Aircraft: [N546AS](https://openairdocs.org/aircraft/N546AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30022
- Aircraft time: 54,966 hours, 18,847 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: ADD71701100
- Condition: Failed
- 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/ASAA2020040232593

## Discrepancy

EMERGENCY LIGHTS FOR L1 DOOR FAILS CK. GROUNDED - YES. REMOVED,REPLACED AND OPS CK GOOD MIG 75 3 EMER LIGH PWR SUPPLY FOR L1 DOOR LIGHTS IAW B737 800 AMM 33 51 06 960 806.

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