Service difficulty report · Drain Valve · Bolkms BK117C2

Difficulty date
March 5, 2021
Submitted
March 8, 2021
Operation
Air carrier
Aircraft
N101VU
Make and model
Bolkms BK117C2
Aircraft serial
9039
Aircraft time
9,045 hours, 28,843 cycles
Engine
Tmeca ARRIEL1E2
Engine time
8,913 hours, 13,669 cycles
Part
Drain Valve
Part number
0174078030
Part serial
084096
Condition
Leaking
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

PILOT REPOTS THAT " UPON LIFT HAD A LARGE TORQUE SPLIT. ENGINE WENT FROM CATA TO MAUAL. FUEL SMELL IMMEDIATELY AFTER SPLIT." BASE MECHANIC RESPONDED TO BASE. MECHAIC VISUALLY INSPECTED #1 & #2 ENGINE FUEL CONTROL ANTISIPATORS FOR EVIDENCE OF BINDING AND PROPER FUNCTION. NO DEFECTS NOTED AT THIS TIME.LEAK CHECKED ENGINE FUEL SYSTEM WITH PRIME PUMPS ON, NO LEAKS FOUND. FUEL SYSTEM LEAK CHECK PERFORMED ON #1 ENG DURING AND AFTER ENGINE START, FOUND START FUEL DRAIN VALVE LEAKING 1 DROP PER SECOND.