What was found
(CAN) THE ALUMINUM CASTING IN WHICH THE VALVE GUIDE SLIDES HAD DISINTEGRATED DUE TO CORROSION INSIDE THE EXHAUST PORT. IT WAS PROBABLY A POOR QUALITY PART THAT WAS INSTALLED DURING THE LAST OVERHAUL.
- Difficulty date
- April 22, 2004
- Submitted
- June 4, 2004
- Operation
- General aviation
- Make and model
- Dhav DHC3
- Aircraft time
- 20,717 hours
- Engine
- Pwa S3H1G
- Propeller
- Hamstd 23D40
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Casting
- Part number
- 399359
- Condition
- Corroded
- Location
- Valve Guide
- Component
- Cylinder · Pwa
- Component part number
- 399359
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.