Service difficulty report · Bracket · Gulstm 690D

Difficulty date
September 1, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Gulstm 690D
Part
Bracket
Part number
ED12453
Condition
Cracked
Location
Mlg Uplock
Part time
7,283 hours
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

(CAN) DURING 5 YEAR INSPECTION OF LANDING GEAR, A CRACK WAS DISCOVERED IN THE UPLOCK BRACKET BY THE NDT TECHNICIAN. MANY OF THE PARTS IN THE 5 YEAR INSPECTION ARE NOT CALLED TO BE NDT INSP BUT PROACTIVELY WE DO NDT MANY OF THESE COMPONENTS. THE TYPE CERTIFICATE HOLDER HAS ASKED US TO KEEP THEM INFORMED OF OUR FINDINGS AS WELL. ITS BELIEVED WITH A TOTAL FAILURE OF THE UPLOCK BRACKET, THE LANDING GEAR WOULD STILL BE HELD UP IN PLACE BY HYDRAULIC PRESSURE. THE LANDING GEAR WOULD FUNCTION NORMALLY. IT WOULD ONLY BE IN TURBULENT AIR THAT THERE WOULD BE STRESS PLACED ON THE ASSOCIATED COMPONENTS. THIS COULD BE HOW THE BRACKET BECAME CRACKED.