Service difficulty report · Motor · Bolkms BK117C2

Difficulty date
November 1, 2023
Submitted
November 1, 2023
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
14723559731
Aircraft time
3,727 hours
Part
Motor
Part number
41800879001
Part serial
1950
Condition
Failed
Location
Unknown
Stage of operation
HO
How discovered
V
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 AP TEST, YAW TRIM AND AP2 FAILED. TROUBLESHOOTING REVEALED YAW BREAKOUT DOES NOT DISPLAY ON LOGICS PAGE IN MAINTENANCE MODE. REMOVED AND REPLACED YAW TRIM MOTOR IAW AMM 67-14-00, 4-1.