# SDR CALA2016121901125

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2016
- Submitted: December 20, 2016
- Operation: Air carrier
- Aircraft: [N442UA](https://openairdocs.org/aircraft/N442UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 780
- Aircraft time: 61,762 hours, 25,180 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2016121901125

## Discrepancy

LEFT OVERWING EMER BATTERY AND AFT LEFT BATTERY FAILED. REMOVED AND REPLACED LT OVERWING AND AFT LEFT EMER BATTERY PACKS REF AMM 33-51-38 PB 0401, OPS CHK GOOD, A/C OK FOR SERVICE.

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