# SDR ASAA2025020355696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2025
- Submitted: February 6, 2025
- Operation: Air carrier
- Aircraft: [N448AS](https://openairdocs.org/aircraft/N448AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36356
- Aircraft time: 32,043 hours, 9,878 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Inoperative
- Location: Zone 200
- 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/ASAA2025020355696

## Discrepancy

REMOVE AND REPLACE 3 BATTERY PACKS FOR EMERGENCY LIGHTING. GROUNDED - YES. REMOVE AND REPLACE 3 BATTERY PACKS FOR EMERGENCY LIGHTING. (S/N 414543, 414591, 414541)

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