What was found
TE FLAP DISAGREE EICAS WHEN SELECTING FLAP 1 FROM UP. QRH ACTION ED ALT FLAP 20 LANDING, DECLARED EMERGENCY, FOUND # 8 TE FLAP OVERLOAD INDICATOR ON FLAP TRANSMISSION TRIPPED. PERFORMED STEP D.(8) IN AMM TASK 27-51-17-024-001 FOR FSEU 1 RESOLVER INPUTS, L FLAP 342.09/R FLAP 340.73. PERFORMED REMOVAL OF RT OTBD T/E FLAP TRANSMISSION IAW AMM 27-51-21-024-001. INSTALLED RT FLAP TRANSMISSION IAW AMM 27-51-17-424-020 UP TO AND INCLUDING G (3) (H) 2). PERFORMED TEST OF POSITION TRANSMITER REF AMM 27-58-01-715-112 UP TO AND INCLUDING I (3) ADD EMP:U427578,U431155 CW IDT REQUIREMENTS FOR FLAP TRANSMISION INSTALL IAW GMM 09-25-05. CONTINUED INSTALLATION OF R8 FLAP TRANSMISSION IN REF WITH AMM 27-51-17-424-020 FROM STEP G (3) (H) (2) TO FINIC/W REQUIRED RII INSPECTION FOR R8 FLAP TRANSMISSION INSTALL.