# SDR ASAA2021010333794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2021
- Submitted: January 5, 2021
- Operation: Air carrier
- Aircraft: [N481AS](https://openairdocs.org/aircraft/N481AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44106
- Aircraft time: 20,474 hours, 6,534 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Part number: 893003
- Part serial: C12859
- Condition: Failed
- Location: E&E Rack E3
- Part time: 20,474 hours, 6,534 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021010333794

## Discrepancy

ELEC CAUTION LIGHT ON AFTER START, RETURNED TO GATE.  GROUNDED-YES.  REMOVED AND REPLACED AUX BATTERY CHARGER, REF B737-900 AMM 24-31-31.  OPERATIONS CHECKS NORMAL.

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