Service difficulty report · Clamp · Hughes 369D

Difficulty date
January 5, 2011
Submitted
March 15, 2011
Operation
Air carrier
Make and model
Hughes 369D
Aircraft time
15,721 hours
Engine
Allsn 250C20B
Part
Clamp
Part number
369X823611
Condition
Worn
Location
Heat Exchanger
Part time
3,394 hours
Component
Exhaust Hanger · Aerohardware
Component part number
369X8236
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.

What was found

FOR STC SR01062LA, IT WAS DISCOVERED DURING INSPECTION THAT THERE THE HEAD OF THE TEE BOLT RESTS IN THE BAND CLAMP HAD WORN THROUGH TO THE POINT THAT THE TEE BOLT COULD BECOME DISENGAGED RESULTING POTENTIALLY IN EXHAUST CLAMP PARTS DEPARTING THE AIRCRAFT INTO THE TAIL ROTOR BLADE PATH.