Service difficulty report · Hmu · Skrsky S76C

Difficulty date
May 22, 2015
Submitted
May 26, 2015
Operation
General aviation
Aircraft
N745P
Make and model
Skrsky S76C
Aircraft serial
760619
Aircraft time
7,551 hours
Engine
Tmeca ARRIEL2S2
Engine time
6,533 hours
Part
Hmu
Part number
0292861940
Part serial
45033
Condition
Failed
Location
Nr 2 Engine
Part time
2,738 hours
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

NR 2 ENGINE DECU FAILED WITH STEPPER LEVEL 3 FAULT. TROUBLESHOOTING WITH LEAD TO HMU STEPPER FAILURE.