# SDR MALA030300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2003
- Submitted: June 13, 2003
- Operation: Air carrier
- Aircraft: N446XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B446
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 330151
- Part serial: OFF2180
- Condition: Inoperative
- Location: Emergency Light
- 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/MALA030300

## Discrepancy

WHILE TRYING TO COMPLETE OPERATIONAL TEST OF THE EMERGENCY LIGHTING SYSTEM TASK CARD 335003 LIGHTS 32LN AND 33LN WOULD NOT ILLUMINATE.  MAINTENANCE REMOVED AND REPLACED POWER SUPPLY 21LN, P/N 3301-51, SN/OFF 2180, SN/ON 2206 IAW SF340 AMM 33-50-10.

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