# SDR MALA090063

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2009
- Submitted: May 12, 2009
- Operation: Air carrier
- Aircraft: N445XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B445
- Aircraft time: 24,317 hours, 26,909 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/MALA090063

## Discrepancy

EMERGENCY BATTERY PACK 23LN FAILED THE OPERATIONAL TEST OF EMERGENCY LIGHT SYSTEM JOBCARD 335003.  REMOVED AND REPLACED EMERGENCY BATTERY PACK 23LN (P/N 3301-51 ON/OFF) (S/N 2128 ON, S/N 1323 OFF) IAW SAAB 340 AMM 33-50-10.

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