Service difficulty report · Bearing · Urocop EC135T2

Difficulty date
November 20, 2017
Submitted
November 20, 2017
Operation
Air carrier
Aircraft
N136MF
Make and model
Urocop EC135T2
Aircraft serial
0384
Aircraft time
4,727 hours, 13,197 cycles
Engine
Tmeca ARRIUS2B2
Engine time
4,727 hours, 4,048 cycles
Part
Bearing
Part number
9609000621
Part serial
2375
Condition
Mismanufactured
Location
Module 2
Component
Module 2 · Tmeca
Component part number
70EM027070
Stage of operation
IN
How discovered
O
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

WHILE CHANGING THE FRONT BEARING ASSEMBLY, FOUND THE NEW 0 TSN FRONT BEARING ASSEMBLY SLEEVE HOLES MANUFACTURED TO THE INCORRECT SIZE. EACH TIME WE TRIED TO INSTALL THE NEW SLEEVES INTO THE FRONT BEARING HOUSING THE SILVER COATING WOULD PEAL OFF OF THE SLEEVES. ORDERED A NEW FRONT BEARING ASSEMBLY AND THE NEW SLEEVES WENT RIGHT IN AS THEY SHOULD.

More about the Urocop EC135T2