Service difficulty report · Shock Mount · Dhav DHC8102

Difficulty date
January 18, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8102
Aircraft time
64,120 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Shock Mount
Part number
156PL13156P6
Condition
Worn
Location
Cockpit
Part time
64,120 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) ALL PILOT`S AND CO-PILOT`S COCKPIT INSTRUMENTS WERE REMOVED OFF THE CENTER INSTRUMENT MOUNTING FRAME, PN 83910021-001 TO FACILITATE A DETAILED VISUAL INSPECTION OF THE WINDSHIELD LOWER SILL TIE BEAM AND THE FORWARD PRESSURE TENSION FITTINGS FOR TASKS 5310/05A AND 5310/01 RESPECTIVELY. THESE TASKS WERE BEING PERFORMED WHILE THE ACFT WAS IN THE HANGAR FOR A "C1" CHECK. THE AME FOUND THE INSTRUMENT MOUNTING FRAME TO BE QUITE LOOSE AND UPON CLOSER INSPECTION FOUND ALL THE LOWER SHOCK MOUNTS ACROSS THE ENTIRE PANEL TO BE EXTREMELY WORN. SHOCK MOUNTS, PN 156PL13, 156P6, 206P30 AND 156P6 WERE R & R. THE SHOCK MOUNTS WERE PROBABLY ORIGINAL AND WE FOUND NO HISTORY OF IT EVER BEING REPLACED ON THIS ACFT. THE ACFT HAS 64,120 AFH AND 69,013 CYCLES. IT CAN BE ATTRIBUTED TO WEAR IN SERVICE. HOWEVER, WE DID NOT FIND ANY SPECIFIC INSPECTION FOR CHECKING THE CONDITION OF THESE INSTRUMENT PANEL SHOCK MOUNTS. A SPECIFIC INSPECTION OF THESE UNITS IN CONJUNCTION WITH THE C-CHECK COULD BE RECOMMENDED.