As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ON APPROACH, FLAPS WERE SELECTED TO 15(DEG). FLAP INDICATOR DID NOT MOVE & STAB MISCOMP ANNUNCIATOR ILLUMINATED. WHEN MLG SELECTED DOWN, THEY DID NOT MOVE. APPROXIMATELY 30 SECONDS AFTER MLG WAS SELECTED DOWN, FLAPS MOVED, MLG MOVED & STAB MISCOMP ANNUNCIATOR EXTINGUISHED. HYD FLUID LEVEL CHECKED OK ON POST FLT. JACKED ACFT & FOUND HYDRAULIC LOADING VALVE NOT OPERATING IAW THE MM. BOTH THE LOADING VALVE & HYDRAULIC CIRCUIT BOARD WERE REPLACED. OPS CHECK OF ALL SYSTEMS WAS GOOD. PC BOARD MM REF. 24-50-03 AND LOADING VALVE MM REF 29-11-06.