As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING PRE-FLIGHT INSTRUCTOR/STUDENT SELECTED T/O FLAP, FLAPS DID NOT RESPOND, SELECTED LANDING FLAP AND FLAPS PARTIALLY EXTENDED. ACFT RETURNED TO BLOCKS. SUBSEQUENT INSPECTION REVEALED FUSELAGE FLAP BELLCRANK WAS CRACKED. REQUEST MADE TO RETURN PART TO MFG FOR INSPECTION/INVESTIGATION.