What was found
TCM CYLINDER KITS (2) PN 649543A3, 547 HOURS SINCE NEW, EXHAUST VALVE GUIDES WORE OUT (VALVE SWIMS IN GUIDES). SUSPECT CAUSE - GUIDES MADE OF POOR MATERIAL. RECOMMENDATION - BETTER QUALITY CONTROL BY TCM.
- Difficulty date
- September 10, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N704LY
- Make and model
- Cessna 150M
- Aircraft serial
- 15078707
- Engine
- Cont O200A
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 649543A3
- Condition
- Worn
- Location
- Exh Valve Guide
- Part time
- 547 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.