# SDR SIMA200131802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2001
- Submitted: December 11, 2001
- Operation: Air carrier
- Aircraft: [N338SB](https://openairdocs.org/aircraft/N338SB), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B338
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Ballast
- Part number: 6510732
- Part serial: 422
- Condition: Defective
- Location: Cabin
- Stage of operation: TX
- How discovered: C
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200131802

## Discrepancy

DFW - FLT 3525 - DURING PREFLIGHT, CREW NOTED A STRONG SMELL OF BURNING WIRE OR INSULATION.  MAINTENANCE FOUND A BAD LIGHT BALLAST AT LOCATION 22.  BALLAST WAS REMOVED AND REPLACED IAW SAAB MM.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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