SDR 95ZZZX7054

Service difficulty report · Crossbeam · Snias AS350B1

Difficulty date
November 27, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N178EH
Make and model
Snias AS350B1
Aircraft serial
2264
Part
Crossbeam
Part number
350A38101832
Condition
Cracked
Location
Main Gearbox
Part time
3,500 hours
Stage of operation
IN
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 ROUTINE NDT INSPECTION OF MGB SUSPENSION CROSSBEAM, PN 350A38-1018-32, A SURFACE CRACK WAS FOUND APPROXIMATELY .8750 INCH LONG, IN THE RADIUS OF THE THIN ARM THAT ATTACHES TO THE MGB. THE CRACK DOES NOT GO ALL THE WAY THROUGH THE ARM, DEPTH IS UNKNOWN. THIS IS THE FIRST BEAM EVER FOUND CRACKED. NO PITTING OR CORROSION WAS EVIDENT IN THIS AREA, CAUSE OF CRACK CANNOT BE DETERMINED AT OUR LEVEL.