# SDR ASAA2023030942292

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N434AS](https://openairdocs.org/aircraft/N434AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61620
- Aircraft time: 25,661 hours, 7,979 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Battery
- Part number: 024147000
- Part serial: 090520025B55B
- Condition: Faulty
- Location: E/E Bay, E2-1
- Part time: 4,143 hours, 1,421 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023030942292

## Discrepancy

AFTER START ELEC LIGHT ILLUMINATED ON OVHD PANEL AND BATTERY DISCHARGE LIGHT ILLUMINATED ON SHUTDOWN. GROUNDED - YES. REMOVED AND REPLACED MAIN BATTERY CHARGER REF B737-900 AMM 24-31-21/401.

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