# SDR ASAA2018091726141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2018
- Submitted: September 17, 2018
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 30,309 hours, 8,827 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Part number: 893003
- Part serial: C8990
- Condition: Failed
- Location: E&E Bay
- Part time: 30,306 hours, 8,825 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018091726141

## Discrepancy

BATTERY DISCHARGE LIGHT ILLUMINATED DURING CLIMB THROUGH APPROX FL 220. MAIN BATTERY SHOWED -5 AMPS DISCHARGE RATE. AUX BATTERY SHOWED POSITIVE CHARGE RATE. LIGHT EXTINGUISHED AFTER APPROX 8 MINUTES OR SO BUT MAIN BATTERY CONTINUED TO SHOW -2 AMPS. MAIN BATTERY CHARGE RATE RETURNED TO NORMAL DURING DESCENT. GROUNDED - YES. DIVERSION TIME 36 MINUTES. REMOVED AND REPLACED NR 1 MAIN AIRCRAFT BATTERY CHARGER REF AMM 24-31-21 GROUND VERIFICATION CHECKS NORMAL.

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