# SDR SIMA201122105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2011
- Submitted: August 9, 2011
- Operation: Air carrier
- Aircraft: [N720](https://openairdocs.org/aircraft/N720), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145279
- System (JASC): [3320 · Passenger Compartment Lighting](https://openairdocs.org/jasc/3320)
- Part: Ballast
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201122105

## Discrepancy

A/C HAS A STRONG ELECTRICAL SMELL IN COCKPIT AND CABIN.  FOUND LT SIDE WALL BALLAST AT 5A HOT WITH BURNING SMELL.  REMOVED AND REPLACED BALLAST IAW EMB 135 AMM 33-21-03.  OPS CHECK GOOD AT THIS TIME.  NO MORE BURNING SMELL NOTED.

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