Service difficulty report · Sensor · Bolkms BK117C2

Difficulty date
June 11, 2025
Submitted
June 11, 2025
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
9779
Aircraft time
4,429 hours
Part
Sensor
Part number
FSC211
Part serial
3161
Condition
Faulty
Location
Generator
Stage of operation
HO
How discovered
O
Nature of condition
F
Precautionary procedure
C

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

What was found

DURING HOVERING FLIGHT, THE GEN AMPS SPLIT MORE THAN 10 AMP. #1 GEN AMPS WAS 10 AND #2 WAS 30. WHEN SHUTTING DOWN THE A/C, THE GEN AMPS RETURNED TO WITHIN 10 AMPS BUT THEN SPLIT AGAIN MORE THAN 10 AMPS. REMOVED AND REPLACED TRANSFORMATOR IAW AMM 24-30-00, 4-6; MOC SUCCESSFULLY COMPLETED.