Service difficulty report · Circuit Board · Bolkms BK117C2

Difficulty date
December 5, 2023
Submitted
January 10, 2024
Operation
General aviation
Aircraft
N456TK
Make and model
Bolkms BK117C2
Aircraft serial
9130
Aircraft time
9,679 hours, 44,007 cycles
Part
Circuit Board
Part number
0177887080
Part serial
NA
Condition
Faulty
Location
Engine
Stage of operation
AP
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

"ENG PA DISC" CAUTION LIGHTS ILLUMINATED ON THE CAD FOR BOTH ENGINES WITH THE TOT INDICATIONS TURNED AMBER. THE PILOT CONTINUED HIS APPROACH AND LANDED WITHOUT INCIDENT. THE MECHANIC FOUND A BAD TOT CIRCUIT BOARD ON THE #2 ENGINE CAUSING A LOW INDICATION FOR THAT ENGINE. THE BOARD WAS REPLACED WITH A SERVICEABLE PART AND THE HELICOPTER RETURNED TO SERVICE.