What was found
SIX EACH EXHAUST VALVE GUIDES DEFECTIVE OUT OF 6 EACH NEW TCM CYLINDERS. ALL GUIDES ARE OUT OF NEW LIMITS AND TAPERED FROM TOP TO BOTTOM. TOTAL OF 18 EXHAUST GUIDES, PN 643767, REPORTED OUT OF LIMITS BY SUBMITTER.
- Difficulty date
- June 12, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Engine
- Cont IO520*
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Guide
- Part number
- 643767
- Condition
- Out Of Limits
- Location
- Exhaust
- Stage of operation
- IN
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.