# SDR CA130927005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Lear 45LEAR
- Aircraft time: 7,530 hours
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Muffler
- Part number: 12945096001
- Condition: Cracked
- Location: Cabin Pressure
- Part time: 7,077 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA130927005

## Discrepancy

(CAN) FOUND MUFFLER ASSY FOR PRESSURIZATION AND AIR CONDITIONING DUCTING WITH BLOWN OUT INSULATION.  FURTHER INVESTIGATION REVEALED THAT THE DUCT WAS CRACKED AT 3 AREAS.  REPLACEMENT UNIT ORDERED FROM MFG.

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