OWER WING PANEL. UNDER THE NACELLE FITTING INSPECT (ULTRASONIC) THE SKIN PANEL UNDER R2. R3 AND R4 NACELLE FITTINGS BETWEEN THE FRONT SPAR CHORD AND SPLICE STRINGER 5. (PSE 57-20-09) 57.784 REF: See Workcard MOS HRSAISC A/R AFL 177.97 08-OCT-1999 3709:19 44 884 38 57-70-01 INSPECT HINGE /ACTUATOR F