Service difficulty report · Mount · Beech 3N

Difficulty date
November 8, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Beech 3N
Aircraft time
18,808 hours
Engine
Pwa R985AN14B
Propeller
Hamstd 22D30
Part
Mount
Condition
Cracked
Location
Engine
Part time
18,808 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) NDT MAG PARTICLE INSPECTION OF LT AND RT LOWER ENGINE MOUNT CLUSTERS SHOWED INDICATIONS OF CRACKS ALONG WELDS AT THE JUCTION OF NR 36 & 37 TUBING WELD ASSEMBLIES AFT OF THE FIREWALL ON THE TRUSS ASSY. THIS INSPECTION WAS COMPLETED AFTER AN IDENTICAL FAILURE WAS FOUND ON ANOTHER 1 OF OUR FLEET ACFT. THIS ACFT IS A PARTS PLANE NOT IN SERVICE FOR SEVERAL YEARS.

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