Service difficulty report · Collar · Dhav DHC6200

Difficulty date
May 14, 2007
Submitted
June 7, 2007
Operation
General aviation
Make and model
Dhav DHC6200
Engine
Pwa PT6A20
Propeller
Hartzl HCB3TN3
Part
Collar
Part number
711619
Condition
Cracked
Location
Steering
Component
Nlg · Dhav · 7110029
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

(CAN) DURING MAINTENACE TO REPAIR THE NOSE GEAR ASSEMBLY IT WAS NOTED THAT THE STEERING COLLAR WAS CRACKED. THE NOSE GEAR WAS THEN FULLY DISASSEMBLED TO REMOVE THE CRACKED STEERING COLLAR. THE NLG WAS THEN VISUALLY INSPECTED AND SOME OF THE ITEMS SENT FOR NDT. STEERING COLLAR CRACK CONFIRMED BY NDT. STEERING LIMITS OF ACTUATOR CHECKED FOR CORRECT TRAVEL AND VERIFIED WITHIN LIMITS. THIS COLLAR HAS BEEN IN SERVICE FOR SOME TIME. (TC NR 20070515002)