Service difficulty report · Mount · Beech 3NM

Difficulty date
November 8, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Beech 3NM
Aircraft time
19,136 hours
Engine
Pwa R985AN14B
Propeller
Hamstd 22D30
Part
Mount
Condition
Cracked
Location
Engine
Part time
19,136 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) VISUAL INSPECTION OF LT LOWER ENGINE MOUNT CLUSTER, AFT OF THE FIREWALL, SHOWED INDICATIONS OF POSSIBLE CRACKS ALONG THE WELDS IN THE JUNCTION OF 36 &37 TRUSS TUBES. THE RT LOWER ENGINE MOUNT CLUSTER WAS VISUALLY INSPECTED AND SHOWED NO SIMILAR INDICATIONS. NDT MAG PARTICLE INSPECTION WAS CARRIED OUT ON BOTH LT AND RT CLUSTERS AND BOTH WERE FOUND TO BE CRACKED IN THESE AREAS.

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