What was found
(CAN) FOUND CABIN HEAT EXCHANGE TUBE IN MUFFLER CRACKED WHILE PERFORMING 100-HOUR INSPECTION AND AD CF90-03R2 - EXHAUST TYPE MUFF HEATER INSPECTION. MUFFLER REPLACED WITH A NEW UNIT. (TC# 20190617019)
- Difficulty date
- June 14, 2019
- Submitted
- August 17, 2020
- Operation
- General aviation
- Make and model
- Robsin R44RAVENII
- Aircraft time
- 1,338 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 2140 · Heating System
- Part
- Muffler
- Part number
- C16931
- Condition
- Cracked
- Location
- Heat Exchanger
- Part time
- 930 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.