Service difficulty report · Piston · Jetair JETSTM4101

Difficulty date
January 25, 2001
Submitted
March 28, 2001
Operation
General aviation
Make and model
Jetair JETSTM4101
Part
Piston
Part number
AIR131368
Condition
Damaged
Location
Mlg Strut
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

MLG STRUT RECEIVED WITH INTERNAL DAMAGE. UNIT RECEIVED W/O 5606 OIL BUT NO APPARENT DISASSEMBLY OF THE GEAR HAD OCCURED. (GLAND NUT AND FILL PLUGS INTACT). INTERNAL PARTS WERE DRY. THE FLUTTER VALVE WAS FOUND LOOSE IN THE TOP OF THE CYLINDER WITH THE UPPER CARRIER BEARING HELD IN PLACE BY THE CYLINDER LINER. THE CYLINDER LINER HAD TO BE MACHINED TO BE REMOVED FROM THE CYLINDER. THE UNIT WAS SHIPPED FOR OVERHAUL AFTER THE AXLE WAS OVERHEATED WITH A WHEEL BEARING FAILURE.