# SDR TRBA20120320002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2012
- Submitted: March 21, 2012
- Operation: Air carrier
- Aircraft: N342AT
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 345
- Aircraft time: 36,638 hours, 36,414 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 16566
- Part serial: X00465
- Condition: Unserviceable
- Location: Master
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA20120320002

## Discrepancy

ON FLIGHT 4811, CREW REPORTED THAT AFTER ENGINE START THE EMERGENCY BATTERY FAULTED. AIRCRAFT WAS REMOVED FROM SERVICE.  R & R EMERGENCY BATTERY IAW W/C EX243185-RAI-10020-002. THE OPS CHECKED GOOD. THE ACFT WAS RETURNED TO SERVICE.

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