SDR 96ZZZX1630

Service difficulty report · Spider Valve

Difficulty date
February 28, 1996
Submitted
March 26, 2000
Operation
General aviation
Engine
Pwa JT8*
Part
Spider Valve
Part number
7280774
Condition
Seized
Location
Fuel Control
Stage of operation
IN
Nature of condition
Y
Precautionary procedure
K

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

What was found

ENGINE SHUT DOWN IN TEST CELL DURING POST-RENTAL INSPECTION TEST. THE ENGINE WAS AT FULL POWER AT THE TIME OF SHUT DOWN. REMOVAL OF THE FUEL CONTROL SHOWED A SHEARED DRIVE SHAFT. REMOVAL OF THE HYDRAULIC HOUSING FROM THE LINKAGE HOUSING ON THE CONTROL SHOWED A SEIZED SPEED GOVERNOR PILOT VALVE IN THE SPIDER. THE CONTROL WAS RE-ASSEMBLED AND IS BEING ROUTED TO AAR FOR INVESTIGATION.