As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE MAINTENANCE IT WAS OBSERVED THAT THE RIGHT HAND INBOARD FLAP ACTUATOR PISTON WAS CRACKED ALONG ITS LENGTH. CRACK ORIGINATED AT THE PLUG HOLE. REFERENCE BEECH IPC 27-50-30, FIG 50-30, ITEM 15. SDR 960807007 PERTAINS TO SAME CONDITION.