# SDR MALA040338

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2004
- Submitted: April 22, 2004
- Operation: Air carrier
- Aircraft: N426XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B426
- Aircraft time: 15,637 hours, 17,625 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: CR
- How discovered: C
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040338

## Discrepancy

EMERGENCY LIGHTS - UNARMED CAUTION LIGHT CAME ON IN FLT, EMERGENCY LIGHTS CAME ON IN CABIN.  CYCLED SWITCH FROM OFF TO ARMED AND RESET C/B L7 AND L8 NEITHER WORKED.  AIR RETURN TO MSP.  MAINTENANCE CYCLED AC PWR EMERGENCY LIGHTS OPS CHECKS GOOD IAW SF340 MM CH33.

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