What was found
(AUS) REPLACEMENT PISTON RINGS FOUND TO BE DEFECTIVE WHEN INSPECTED BEFORE INSTALLATION. OIL CONTROL RING P/N 654717P005-1 HAD A PIECE MISSING. TOP NR 1 RING P/N 648005P005 HAS A MANUFACTURING DEFECT. MANUFACTURING ERROR.
- Difficulty date
- August 15, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Make and model
- Cessna 404CESSNA
- Engine
- Cont GTSIO520M
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Piston Ring
- Part number
- 648005P005
- Condition
- Mismanufactured
- Location
- Engine
- 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.