# SDR ASAA2023040242920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2023
- Submitted: April 19, 2023
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 41,159 hours, 11,911 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Inoperative
- Location: Main Passenger C
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023040242920

## Discrepancy

THE AISLE EMERGENCY LIGHT AT FWD CABIN IS INOP. GROUNDED - YES. REMOVE AND REPLACE BATTERY PACK FOR EMERGENCY CEILING LIGHT AT LH-FWDMAIN CABIN IAW B737 AMM 33-51-06-960-805 OP/CHECK GOOD.

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