Service difficulty report · Cylinder · Dhav DHC3

Difficulty date
June 23, 2005
Submitted
August 3, 2005
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
20,717 hours
Engine
Pwa S3H1G
Part
Cylinder
Part number
126743
Condition
Broken
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
E
Precautionary procedure
A

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

What was found

AFTER THE PILOT NOTICED A VIBRATION IN FLIGHT, REDUCED ENGINE RPM AND LANDED. DISCOVERED THAT THE EXHAUST CASE ROCKER IN NR 1 CYLINDER WAS COMPLETELY BROKEN. THE CYLINDER ASSEMBLY WAS REPLACED.