As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN FLAPS 15 DEGREES WERE SELECTED FOR LANDING (A/S 190 KTS) THE FLAPS ONLY EXTENDED 3 TO 4 DEGREES. (STALL INDENT) LIGHT ILLUMINATED HYD PSI NORMAL, ALL OTHER SYSTEMS NORMAL. PERFORMED FLAPS UP LDG. GAINED ACCESS TO FLAP SYNCHRONIZER MECHANISM AND PERFORMED MM CHP 27-50-02-501 STEP 2D. (8) AND STEPS 3A. FOUND FLAP SYSTEM TO BE IN RIG AND OPERATION NORMAL. CLOSED ALL OPEN ACCESS PANELS. ALL WORK PERFORMED IAW MM CHP 27-50-02.