What was found
TRAILING EDGE FLAP DISAGREE EICAS MESSAGE WHEN SELECTING FLAPS 1 ON APPROACH. FOLLOWED QRH. LANDING UNEVENTFUL. FOLLOWING FIM FOUND ON THE INBOARD UNIT OF THE INBOARD FLAP ON THE LEFT WING OIL IN BAD TEXTURE AND COLOR. REMOVED LT INBOARD TRANSMISSION IAW AMM. NO IDENTIFICATION PLATE FOUND ON PART ITSELF BUT FOUND PN 251N4022-34 AND SN : 0877 IN WORKBENCH. CONTINUED INSTALATION OF LEFT INBOARD TRANSMISSION UNIT IAW AMM 27-51-06-4 . INSTALATION TESTS PASSED AND THERE ARE NO EICAS MESSAGES. PERFORMED TEST OF ALTERNATE FLAP OPERATION IAW AMM 27-51-00-5. ALL TESTS PASSED. ITEM CLOSED.