# SDR MYWA120002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2011
- Submitted: January 9, 2012
- Operation: Air carrier
- Aircraft: N740EH
- Make and model: Boeing 737-8DC
- Registry model: [Boeing 737-8DC](https://openairdocs.org/model/boeing-737-8dc) (OpenAirDocs)
- Aircraft serial: 34596
- Aircraft time: 4,282 hours, 1,651 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Condition: Discharged
- Location: Main
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MYWA120002

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  APU FAILED TO START FOUR ATTEMPTS. 49-41010 NO ACCEL SHUTDOWN.  PERFORMED FIM TASK 49-40 TASK 801.  SUCCESSFUL START ON AC SYSTEM, OPS CHECKS ON AC/DC CHARGING SYSTEM OK, DETERMINED BATTERY VOLTAGE LOW FOR DC START.  INSTALLED NEW PRIMARY BATTERY IAW AMM 24-31-11 TASK 401 OPS CHECKS NORMAL.  INSTALLED NEW AUXILLIARY BATTERY IAW AMM 24-31-11 TASK 401 OPS CHECKS NORMAL.

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