Service difficulty report · Mast · Bell 214ST

Difficulty date
December 6, 2018
Submitted
December 7, 2018
Operation
Air carrier
Aircraft
N512EV
Make and model
Bell 214ST
Aircraft serial
28115
Aircraft time
2,109 hours
Part
Mast
Part number
214040003107
Part serial
A125
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
V
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

DURING WEEKLY INSPECTION, FOUND 1 EACH BROKEN MAST TO TRANSMISSION MOUNT STUD BROKEN. NOT STILL ATTACHED TO BROKEN STUD AND THE TORQUE STRIPE NOT AFFECTED AND HOLDING BROKEN STUD WITH NUT IN PLACE. FURTHER INSPECTION OF THE AREA FOUND MULTIPLE CRACKS TO THE MAST HOUSING FLANGE WHERE IT MOUNTS TO THE TOP OF THE TRANSMISSION. THERE WERE NO REPORTS OF VIBRATIONS OR ABNORMAL OCCURRENCES.FURTHER INSPECTION STILL UNDER WAY.

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