Service difficulty report · Bolt · Dhav DHC3

Difficulty date
September 2, 2009
Submitted
October 23, 2009
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
10,285 hours
Engine
Pwa PT6A34
Propeller
Hartzl HCB3TN3
Part
Bolt
Part number
NAS14729
Condition
Cracked
Location
Vertical Stab
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

IGX POWER VISUAL INSP OF NAS BOLT - CRACKED (APPARANT) UNDER HEAD IN RADIUS. IPC DOES NOT INDICATE A CHAMBERED WASHER TO BE INSTALLED AS IS INDUSTRY PRACTICED WITH NAS BOLTS. NOTE THERE IS NO CHAMBER ON THE FITTINGS PN C3TF6-3. BOTH ATTACH BOLTS TO BE REPLACED WITH NEW.