As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLATS WOULD NOT RETRACT AFTER TAKE-OFF. DUMP FUEL AND RETURNED TO AIRPORT. LANDING NORMAL. TROUBLESHOT SLAT SYSTEM. OPS CHECK OK. INSPECTED SYSTEM FOUND NR 2 & 3 SCREWJACK RT WING TRIPPED. RESET TRIP INDICATORS. CHECK BOTH LT AND RT WING FRICTION BRAKES FOR SLAT SYSTEM. FOUND RT WING BRAKE FAIL TORQUE CHECK. R & R RT WING FRICTION BRAKE IAW MM 27-81-47 OPS CHECK SLAT SYSTEM OK. LUBED SLAT SCREWJACK AND TRACKS FOR PRECAUTION IAW 12-13-27. AIRCRAFT RETURNED TO SERVICE