# SDR ASAA2023062744146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2023
- Submitted: July 24, 2023
- Operation: Air carrier
- Aircraft: [N494AS](https://openairdocs.org/aircraft/N494AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41729
- Aircraft time: 27,200 hours, 8,310 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Inoperative
- Location: L1 And R1
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023062744146

## Discrepancy

L-1 AND R1 EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED, REPLACED, AND OPS CHECKED GOOD L1 AND R1 EMERGENCY LIGHT BATTERY PACKS IAW B737-900 AMM 33-51-06-960-805.

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