Service difficulty report · Shaft · Hughes 369D

Difficulty date
September 27, 2001
Submitted
December 12, 2001
Operation
General aviation
Make and model
Hughes 369D
Aircraft time
14,344 hours
Engine
Allsn 250C20B
Part
Shaft
Part number
369D25430
Condition
Broken
Location
T/R Gearbox
Component
T/R Gearbox · 369D25400
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

(CAN) GEARBOX RECEIVED FROM CUSTOMER WITH COMPLAINT OF T/R VIBRATION AND METAL GENERATION. ON STRIP DOWN THE OUTPUT GEARSHAFT WAS REMOVED AND THE OUTPUT JOURNAL AND THE END OF THE OUTPUT GEARSHAFT WERE FOUND INSIDE OF THE ALIGNMENT BEARING.THE OUTPUT GEARSHAFT HAD FAILED.THIS THE SECOND OCCURRENCE OF THIS TYPE, THE FIRST OCCURRED 1997-03-05.