# SDR ASAA2021061735132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2021
- Submitted: June 22, 2021
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 35,177 hours, 10,191 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021061735132

## Discrepancy

EMERGENCY LIGHTS AT L1 DOOR INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY WITH BATTERY PACK, OPS CHECK 'GOOD' IAWB737-800 AMM 33-51-06-960-805.

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