As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON INITIAL CLIMB, FLAPS WERE SELECTED TO 0. DURING RETRACTION, CIRCUIT BREAKER L7 FLAP CONT POPPED AND FLAPS JAMMED AT 5. THE ACFT RETURNED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TRAVELED TO THE ACFT LOCATION AND FOUND THE FLAP POWER UNIT, FPU SOLENOID VALVE DEFECTIVE, REF COMPONENT MM ILLUSTRATED PARTS LIST 27-50-02-01-035. THE FPU WAS REPLACED, FLAP SYS TESTED SERVICEABLE AND THE ACFT RELEASED FOR SERVICE.