As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN REPORTED THAT AFTER LANDING THE FLAPS AND SLATS DO NOT RETRACT. MAINTENANCE PERSONNEL PERFORMED BITE TO FSEU IAW FIM 27-53 TASK 803 PROCEDURE, NO CONFIRMING FAILURE. PERFORMED TRAILING EDGE FLAP SYSTEM OPERATIONAL TEST IAW FIM 27-51 TASK 803 PROCEDURE, NO CONFIRMING FAILURE AND ALL TESTED CORRECT.