As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN FLAPS SET TO 1 DEG T/E FLAP LIGHT CAME ON, WOULD NOT RESET. WENT THROUGH PROCEDURE USED ALT FLAP 20 DEG FOR LANDING. WHEN ALT SELECTED TO 20 DEG, ON FINAL SLAT DIS AGREE LIGHT CAME ON NO ABNORMAL CONTROL. CHECKED T/E FLAPS FOR DAMAGE-NONE FOUND. BITE OF BOX SHOWS-NR 1 BOX ASSY/NO MOTION. NR 2 BOX ASSY/NO MOTION. NR 3 BOX- NO FAULT. CHECKED ALL GEAR BOX FLUID LEVELS ALL FULL. SWAPPED NRS 1 AND 3 FSEU'S. FLAP OPS CHECK OK.