What was found
RECEIVED FLAPS FAIL WHEN SELECTING FLAPS FROM 8 TO 20. IT FAILED AT 8. C/W QRH. AIRSPEED 180 KNOTS WHEN FAILED. PERFORMED FLAP RESET PROCEDURE IAW AWAC SUPP 98-018I BOX 12. FLAPS RESET. REF 357078-1 FOR MEL REF 357077-4 PERFORMED FLAP FAIL RESET PROCEDURE. PLACARDED AND PLACED ON MEL. AIRCRAFT REMOVED FROM SERVICE. PERFORMED TROUBLESHOOTING PER FIM 27-50-00 FIG 103, REF WO 346671 FOR WORK PERFORMED. LT NR 4 FLAP ACTUATOR & LT BPSU. OPS CHECKED AND RIGGING CHECKED GOOD IAW AMM 27-54-00. REMOVED PLACARD AND REMOVED FROM MEL.