What was found
UPON CONFIGURATION AT 15 DEG FLAPS, LEVEL 2 SLAT DISAGREE ILLUMINATED, GO AROUND. RAN CHECKLIST ON EXTENDED DOWNWIND. DURING GO AROUND THERE WAS SOME FEEL THAT CONFIGURATION WAS OFF. LANDED SLAT STOW FLAPS 28 DEGREES AT 185KTS & MAX BRAKES. RAN SLATS VERIFIED SLAT DISAGREE. BRAKE & TIRE TEMPS ALL RETURNED TO NORMAL. IAW FIM 31-71-07-00 FIG 107 PERFORMED SYS TEST OF PSEU, FAILED STEP 7 WITH THE TARGET 02 SHOWING SENSOR FAILED. SWAPPED PSEU VERIFIED SAME FAULT & REINSTALLED ORIGINAL PSEU IAW MM 31-71-01-2. R & R LT NR SLAT POSITION SENSOR 02B IAW MD 11 MM 27-84-03-4, ALL OPERATIONS CHECKED NORMAL IAW MM 27-84-00-5.