Service difficulty report · Drive Shaft · Hughes 369D

Difficulty date
May 6, 2002
Submitted
June 21, 2002
Operation
Air carrier
Make and model
Hughes 369D
Aircraft serial
570132D
Part
Drive Shaft
Part number
369D2551021
Part serial
0247
Condition
Out Of Tolerance
Location
Main Rotor
Part time
1,864 hours
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

DURING A ROUTINE INSPECTION OF THE MAIN ROTOR DRIVESHAFT IT WAS DISCOVERED THAT THE WEAR ON THE SPLINES WAS BEYOND LIMITS. AFTER ONLY 37 PERCENT OF THE TIME WAS USED ON THE SHAFT. REPLACED UNIT.