# SDR ASAA2020090833143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2020
- Submitted: September 9, 2020
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 31,739 hours, 9,282 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- 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/ASAA2020090833143

## Discrepancy

AFT LEFT EMERGENCY LIGHT POWER SUPPLY AND BATT INOPERABLE.  GROUNDED - YES.  REMOVED AND REPLACED AFT LEFT EMERGENCY LIGHT POWER SUPPLY AND BATTERY, REF B737-800 AMM 22-51-06.  OPERATIONS GOOD.

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