# SDR MALA040546

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2004
- Submitted: September 8, 2004
- Operation: Air carrier
- Aircraft: N410XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B410
- Aircraft time: 18,459 hours, 20,138 cycles
- Engine: Ge CT79B
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: NR
- 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/MALA040546

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY 21LN, 23LN INOPERATIVE.  MAINTENANCE REPLACED POWER SUPPLY 21LN AND 23LN.  REFER TO 409 NR 222887, AND 222888 FOR ADDITIONAL INFORMATION.

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