As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH FOR A SCOOPING OPERATION, THE FLAPS WOULD NOT EXTEND WITH AN AIR LOAD. THE AIRCRAFT RETURNED TO BASE. UPON INVESTIGATION BY MAINTENANCE STAFF, FLAPS WOULD EXTEND THE FIRST 10 DEGREES WITH NO AIR LOAD AND THE ACTUATOR MADE A GRINDING NOISE. THE FLAP ACTUATOR WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (TC 20070618003)