What was found
ON APPROACH AT 4000 FT SELECTING FLAPS FROM 0 - 8 DEG, FLAP FAIL MSG APPEARED IMMEDIATELY WITH NO MOVEMENT OF FLAPS. AIRSPEED 215 AT THE TIME. A/C WAS AT -57 DEG FOR 1 HR IN CRUISE, GND -4. FECU INTERGRADED AND FOLLOWING FAULT CODES DISPLAYED AS FECU WAS LOOKED AT: (1) JAM (2) LEFT BPSU (3) 1 5 1B. TRIED TO GO FURTHER AFTER THE STEP OF `GO` IN THE FIM AND IT WOULD GIVE THE FAULT CODE 1 5 1B CB 1-F4 AND CB 2-F4 AND SYSTEM RESET WITH NO FURTHER FAULTS. FERRY FLIGHT PAPERWORK COMPLETED. A/C FERRIED. TROUBLESHOOTING GOING ON, ACTION PLAN TO INSPECT AND LUBE ALL DRIVES AND CHANGE ALL FLAP ACTUATORS WITH NEWLY OVERHAULED UNITS SENT. INFORMATION WILL BE UPDATED WHEN AVAILABLE.