Service difficulty report · Valve Seat · Dhav DHC3

Difficulty date
June 7, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Dhav DHC3
Engine
Pwa S3H1G
Part
Valve Seat
Condition
Detached
Location
Cyl Head Exh
Component
Pwa · 399359
Stage of operation
LD
Nature of condition
R
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) PILOT REPORTED LOW ENGINE POWER AND SUCKING SOUND ON SHUTDOWN. #3 CYLINDER EXHAUST VALVE SEAT OUT OF POSITION KEEPING VALVE OPEN.