What was found
DURING CURRENT C-CHECK AT SIAEC WHILE PERFORMING TERMINATING ACTION PER ATLAS AIR EO 4757A082, NR 4 PYLON LOWER WING DIAGONAL BRACE ATTACH FITTING, TAPER LOCATION INSTALLATION ' FOUND THE LAST THREE FASTENER HOLES SCORED. POSITIONS ARE ONE EACH AT INBOARD 2ND FROM NED, 1 EACH AT INBOARD AFT AND 1 EACH AT OUTBOARD AFT. REAMED HOLES TO .500. PERFORMED OPEN HOLE HFEC INSPECTION. NO FINDINGS. INSTALLED BACB30US8K32 FASTENERS IN LIEU OF TAPER LOCKS PER SRM 51-30. AMOC ISSUED TO SATISFY REQUIREMENTS PER AD 2001-13-06 ON FORM 8110-3. (M)