What was found
DURING CYLINDER REPLACEMENT DUE TO LOW COMPRESSION FOUND NR3 & NR4 INTAKE LOBE ON CAM WORN AND SPALLING. ENGINE REMOVED FOR CAM REPLACEMENT OR ENGINE O/H. SPALLING OF LIFTER FACES ALSO NOTED.
- Difficulty date
- November 24, 2010
- Submitted
- November 24, 2010
- Operation
- General aviation
- Aircraft
- N72LR
- Make and model
- Beech B36TC
- Aircraft serial
- EA676
- Engine
- Cont TSIO520UB
- Engine time
- 1,293 hours
- Propeller
- Hartzl PHCC3YF1
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Camshaft
- Part number
- 629726
- Condition
- Spalled
- Location
- Engine
- Part time
- 1,293 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.