# SDR MALA100122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2010
- Submitted: September 14, 2010
- Operation: Air carrier
- Aircraft: N437XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B437
- Aircraft time: 27,309 hours, 30,412 cycles
- Engine: Ge CT79B
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Failed
- Location: Emergency Light
- 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/MALA100122

## Discrepancy

WHILE PERFORMING OPS OF EMERGENCY LIGHTS POWER SUPPLY 24LN FAILED.  REPLACED POWER SUPPLY PN 3301-51.

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