# SDR MALA020650

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2002
- Submitted: November 12, 2002
- Operation: Air carrier
- Aircraft: [N417XJ](https://openairdocs.org/aircraft/N417XJ), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B417
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Will Not Test
- Location: Emergency Lights
- 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/MALA020650

## Discrepancy

DURING MAINTENANCE ON A/C, EMERGENCY BATTERY PACKS 20LN AND 21LN FAILED TEST.  MAINTENANCE REPLACED BOTH BATTERIES, AND TESTS GOOD.

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