What was found
FLAPS FAIL CAUTION MSGS CAME ON WHILE SELECTING FLAPS 0 TO 20 DEG AT EXTENSION 3000 FT MSL. OUTSIDE TEMP, TAT 07 DEG, CLEAR SKY. CURRENT SPEED AT SELECTION 185 KTS, TIME WAS APPROX 1 HR INTO FLIGHT, 6:52 LOCAL, FOLLOW QRH LANDING WEIGHT 43000. PERFORMED TROUBLESHOOTING IAW FIM REV 48 IAW AD-2009-06-12 PARAGRAPH H 6 I, AMOC LOG 14-15 DATED 12 30 2014 & TS 001100R1 FIM TECHNICAL SUPPLEMENT. R & R LT BPSU IAW AMM 27-51-10. ALL OPERATIONAL & FUNCTIONAL CHECKS, CHECKED GOOD. FAULT CODES FROM FECU, 5-1B, 5-2B, 12-1A & 12-2A.