What was found
TE FLAP ASYM. R&R FSEU 1. OPS CHECK FAILED. TE DISAGREE LIGHT ILLUMINATED. TE FLAP ASYM ON EICAS. FAULT MSG CYCLES BETWEEN LEFT (MSG: 314) AND RIGHT (MSG: 315) FLAP DRIVE ON EVERY BITE CHECK OF FSEU 1. FURTHER T/S REQUIRED. PARTS USED: 19-2758-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1714877 SN OFF 3245 UNIT, FLAP & SL OFF 19-2758-9-0002 3245 ON 19-2758-9-0002 2694 UPDATING WITH REFERENCE USED: 27-51-01/201 FOLLOWING FIM 27-51 TASK 809 BLOCK 1 FSEU BITE PROCEDURE FIG. 104 TOOK US TO FIM 27-51 TASK 803 DUE TO AIRCRAFT FSEU PARTNUMBER INSTALLED (285N0011-40) FIM SENT US TO FIG. 104B ON FIM 27-51 TASK 805 BLOCK FOUND MSG ON FSEU (LT FLAP DRIVE) AND FSAM (NO DATA FSEU2) SEE PICTURES. ALSO NOTICED ON FLAP INDICATOR LH NEEDLE LAGGING SEE PICTURES. TASK 805 BLOCK 6 GVI FOUND NO BROKEN TORQUE TUBES, BLOCK 7 FOUND NO WIRE DAMAGE ON CONNECTOR LEADING TO REPLACING L FLAP TRANSMITTER POS PER BLOCK 57. REMOVED LH TE POSITION TRANSMITTER IRW AMM 27-58-03. PART OFF NUMBER 18-1969-17 SN OFF 1093B. PDU RIG PIN IS INSTALLED. TOOL BOXES ARE IN THE GALLEY, HARDWARE IS LOCATED WITH THE CANON PLUG. ADD EMP:U376162 INSTALLED LH FLAP POSITION TRANSMITTER, OPS CK NORMAL. FSEU 1&2 & FSAM NO FAULTS. NO EICAS MSGS. PERFORMED FSEU 1 INSTALLATION TEST, OPS CK NORMAL. REF AMM 27-51-01 & 27-58-01 STEP J.