Service difficulty report · Bypass Valve · Urocop EC135P2

Difficulty date
September 3, 2020
Submitted
September 3, 2020
Operation
General aviation
Aircraft
N135LL
Make and model
Urocop EC135P2
Aircraft serial
0491
Aircraft time
5,959 hours, 17,777 cycles
Engine
Pwa PW206B2
Part
Bypass Valve
Part number
L704A34636001
Part serial
10737
Condition
Defective
Location
Right Aft Trans
Part time
5,959 hours, 17,777 cycles
Stage of operation
CR
How discovered
O
Nature of condition
M
Precautionary procedure
E

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

What was found

THE NR 2 ENGINE OIL TEMPERATURE EXCEEDED THE MAX CONTINUOUS OPERATING RANGE THRESHOLD, WHICH RESULTED IN THE ENGINE BEING PLACED IN THE IDLE DETENT AND THE PILOT PERFORMING A RUN ON LANDING AT HIS INTENDED AIRPORT. THIS DISCREPANCY WAS TROUBLESHOT TO A DEFECTIVE NR 2 ENGINE OIL BY PASS VALVE.

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