Service difficulty report · Mount · Dhav DHC8301

Difficulty date
November 5, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Dhav DHC8301
Aircraft time
56,274 hours
Engine
Pwa PW123
Part
Mount
Part number
LM43190
Condition
Cracked
Location
Nr 2 Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING Ï¿½AÏ¿½ CHECK INSPECTION TASK 7120/05R MAINTENANCE PERSONNEL NOTICED A DEFECTIVE NR 2 FORWARD, INBOARD ENGINE MOUNT. THE FORWARD HALF OF THE ELASTOMER SANDWICH MOUNT ASSEMBLY HAD THE STEEL BACKING PLATE CRACKED IN HALF AND THE MOUNT WAS SAGGING IN EXCESS OF 1/4 INCH. THE ELASTOMER WAS DISBONDED FROM THE STEEL BACKING PLATE. MOUNT ASSY AND HARDWARE HAVE BEEN REPLACED.