# SDR MALA040212

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2004
- Submitted: February 27, 2004
- Operation: Air carrier
- Aircraft: N427XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B427
- Aircraft time: 15,268 hours, 16,875 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- Location: Emergency Light
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040212

## Discrepancy

DURING TASK CARD OF OPS CHECKING OF EMERGENCY LIGHTING SWITCH JOB CARD NR 335003 THE EMERGENCY BATTERY PACKS FAILED DURING TEST (REPLACED PACK ) 21 LN LOCATION OF BATTERY PACK.  REMOVED AND REPLACED SN AS REQUIRED.  PERFORMED CHECKS IAW MFG MM.  ALL CHECKS GOOD.

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