Service difficulty report · Crossbeam · Snias AS350B2

Difficulty date
August 25, 2020
Submitted
August 24, 2021
Operation
General aviation
Aircraft
N712SH
Make and model
Snias AS350B2
Aircraft serial
7102
Aircraft time
10,653 hours, 49,542 cycles
Part
Crossbeam
Part number
350A21136820
Condition
Cracked
Location
Bs 1790
Part time
10,653 hours, 49,542 cycles
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

DAMAGE WAS NOTED TO THE X1790 CROSS BEAM (PN: 350A21-1368.20) IN THE FORM OF A CRACK. THE CRACK WAS MEASURED TO BE APPROXIMATELY 2.0” LONG. THERE WAS ALSO DAMAGE TO THE AFT BULKHEAD WEB (PN: 350A21-1036.22) IN THE FORM OF NUMEROUS CHAFES. THE CHAFES WERE MEASURED TO BE ON AVERAGE 1.20” X 1.0” IN SIZE WITH THE DEEPEST CHAFE BEING 0.026” DEEP.