Service difficulty report · Wire Harness · Bolkms BK117C2

Difficulty date
February 20, 2026
Submitted
February 20, 2026
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
9742
Aircraft time
4,906 hours
Part
Wire Harness
Part number
0301057950
Part serial
565LAM
Condition
Failed Insp
Location
Nr 1 Engine
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

DURING THE HARNESS REPAIR PROCESS, THE FINAL ELECTRICAL CONTINUITY TEST FOR SHIELDING BETWEEN CONNECTORS WAS NOT PERFORMED. AS A RESULT, SUBSEQUENT TESTING ON SITE REVEALED THE ENGINE OVERSPEED HARNESS WAS FOUND TO BE NON-COMPLIANT WITH SAFRAN CONTAINMENT LETTER REQUES NO. 218065-26-CNT-005_V1.