Service difficulty report · Seal · Urocop EC135T2

Difficulty date
May 10, 2017
Submitted
May 12, 2017
Operation
Air carrier
Aircraft
N911NH
Make and model
Urocop EC135T2
Aircraft serial
0273
Aircraft time
7,390 hours, 23,566 cycles
Engine
Tmeca ARRIUS2B2
Engine time
6,776 hours, 7,308 cycles
Part
Seal
Part number
9560160210
Condition
Loose
Location
Engine
Part time
3,531 hours, 5,816 cycles
Component
Module · Tmeca
Component part number
70EM027070
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

THE POWER TURBINE NOZZLE GUIDE VANE SEAL HAS BECOME FREE TO ROTATE BETWEEN THE REAR BEARING SUPPORT AND THE POWER TURBINE NOZZLE GUIDE VANE ASSEMBLY. CAUSING DAMAGE THE SEAL CONTACT AREA OF BOTH THE POWER TURBINE NOZZLE GUIDE VANE AND THE REAR BEARING SUPPORT.

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