Service difficulty report · Control Unit · Bolkms BK117C2

Difficulty date
August 31, 2021
Submitted
August 31, 2021
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
07720199147
Aircraft time
2,981 hours
Part
Control Unit
Part number
ACU61002120
Part serial
01486
Condition
Failed Insp
Location
Audio
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

CO-PILOT ACU NAV1 COMM PUSH BUTTON WOULD NOT STAY DOWN. ACU REPLACED IAW 145MMS-016.