What was found
UNABLE TO TRANSMIT ON ANY ACP SELECTIONS FROM CAPTAIN'S SIDE. RTFL. REPLACED THE CAPT'S ACP AND THE REMOTE ELECTRONICS UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO TRANSMIT ON ANY ACP SELECTIONS FROM CAPTAIN'S SIDE. RTFL. REPLACED THE CAPT'S ACP AND THE REMOTE ELECTRONICS UNIT.