Service difficulty report · Nut · Snias AS350B2

Difficulty date
July 28, 2010
Submitted
August 4, 2010
Operation
Air carrier
Make and model
Snias AS350B2
Aircraft serial
4387
Aircraft time
873 hours, 2,382 cycles
Engine
Tmeca ARRIEL1D1
Engine time
768 hours
Part
Nut
Condition
Flaking
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MFG REPLACED THE FLAKING NUT. MFG PERFORMED THE WORK UNDER W/O: MF11360, THEY HAD TO REPLACE THE NUT/BOLT AS IT WOULD CONTINUE TO SHED OFF THIS COATING GIVING US REPEATED CHIP LIGHTS. IT VIRTUALLY GUARANTEES A SOLUTION AS YOU COULD VISUALLY SEE THE FLAKING METAL COATING ON THE REMOVED PART. HAVE HAD NO CHIP LIGHTS SO FAR.