# SDR O9IA20131008544

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2013
- Submitted: November 6, 2013
- Operation: Air carrier
- Aircraft: [N544LM](https://openairdocs.org/aircraft/N544LM), registered now
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 500
- Aircraft time: 13,962 hours, 10,051 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Insulation
- Condition: Misinstalled
- Stage of operation: CR
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/O9IA20131008544

## Discrepancy

SMOKE SEEN COMING FROM IN FRONT OF DIVAN SEAT.  INVESTIGATION REVEALED POOR INSULATION COVERING THE LT WING/STAB HEAT DUCT PIPE.  THIS PIPE WAS REWRAPPED WITH INSULATION MATERIAL.  RESULTANT CHECK FLIGHT WAS SATISFACTORY.

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