What was found
D: PHX - AIR TURNBACK - 3/26/01 - IN FLIGHT EICAS SPOILERS DISPLAYED WITH SPOILERS DOWN; AILERON DISPLACEMENT OBSERVED AS FLAPS RETRACTED AND THEN EXTENDED FOR LANDING; FLAPS 20 USED FOR LANDING. ON DEBRIEF OF FLIGHT CREW, REPORTED LEFT WING HEAVY. MAINTENANCE VISUALLY INSPECTED FLAPS AND SPOILERS - NO DEFECTS NOTED. TROUBLESHOT IAW FIM 27-09-00 FIG 105; SCM 3R FAULTS PCA FAULT; RESET THE FAULTBALL AND OPERATED THE SPOILERS AND FAULT DID NOT RETURN. AS A PRECAUTION MEL 27-61-1 CONDITION 1 WAS APPLIED AND SPOILERS 4 AND 9 DEACTIVATED IN THE DOWN POSITION.