Service difficulty report · Fastener · Dhav DHC6

Difficulty date
June 27, 2018
Submitted
July 2, 2018
Operation
General aviation
Aircraft
N814SS
Make and model
Dhav DHC6
Aircraft serial
901
Aircraft time
4,756 hours, 13,415 cycles
Part
Fastener
Part number
PLT21066
Condition
Loose
Location
Elevator
Part time
4,756 hours, 13,415 cycles
Stage of operation
IN
How discovered
9
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 INSPECTION, FOUND LOOSENING JO-BOLTS ATTACHING THE RT AND LT FLANGES OF THE CENTER ELEVATOR HINGE BRACKET WHERE THE BRACKET FLANGES ATTACH TO THE AFT HORIZONTAL STABILIZER SPAR AT THE TOP AND BOTTOM OF THE BRACKET. THERE ARE FOUR LOOSENING JO-BOLTS AT THE TOP OF THE BRACKET, AND FOUR AT THE BOTTOM. THE FOUR LOOSENING JO-BOLTS AT THE TOP OF THE BRACKET ALSO PASS THROUGH AND RETAIN A LIFTING POINT, P/N C6TP1034-27 ON THE TOP OF THE AFT STABILIZER SPAR. THE CENTER ELEVATOR HINGE BRACKET ITSELF LOOKS BASICALLY UNDAMAGED AND CRACK-FREE, HOWEVER THERE MAY BE SOME FRETTING CORROSION RESULTING FROM THE LOOSE FASTENERS.