# SDR MALA100074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2010
- Submitted: May 18, 2010
- Operation: Air carrier
- Aircraft: N422XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B422
- Aircraft time: 28,492 hours, 31,455 cycles
- Engine: Ge CT79B
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 330151
- Part serial: 2074
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA100074

## Discrepancy

24LN & 21LN EMERGENCY BATTERY PACK FAILED, OPS CHECK.  R & R EMERGENCY BATTERY PACK IAW AMM 33-50-10.

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