Service difficulty report · Collar · Dhav DHC6

Difficulty date
January 30, 2005
Submitted
June 6, 2006
Operation
General aviation
Make and model
Dhav DHC6
Engine
Pwa PT6A27
Part
Collar
Part number
7117717
Condition
Incorrect
Location
Nlg Steering
Stage of operation
IN
How discovered
9
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

THE STEERING COLLAR WAS ASSEMBLED AT THE FACTORY INCORRECTLY. THERE ARE TWO DISCS WHICH ARE ATTACHED TO THE COLLAR. ONE DISC IS BARE METAL AND IS SUPPOSED TO BE AT THE SIDE THAT IS FACING THE STRUT TOUCHING THE FRICTION DISC (WHICH IS GLUED TO THE STRUT ITSELF). THE OTHER DISC IS A SPECIAL DISC WITH A SPECIAL COATING WHICH FACES THE PLASTIC DISC POINTING TOWARDS THE LOCKNUT. THIS DISC HAS A SMALLER DIAMETER AND CAN NOT BE INSTALLED TOWARDS THE STRUT. CUSTOMER CORRECTED THE SITUATION HIMSELF AND HEROUX HAS BEEN CONTACTED.