What was found
DURING C-CHECK AT AMS, IB FLAP TRACK POS NR 4 CORROSION AT FORWARD BOLT HOLES. OVERSIZE AFFECTED HOLES TO REMOVED DAMAGE. NDT INSPECT TO ENSURE CRACK AND DEFECT FREE CONDITION. INCORPORATE INSURANCE CUT TO HOLES. RE-FINISH FLAP TRACK AND FAIL/SAFE BAR. INSTALLED SLEEVED OR OVERSIZE FASTENERS AS APPLICABLE. ALL IAW REF 1 THRU 4, WHICH DEALS WITH LETTERS (E-MAILS) REQUESTING STRUCTURALLY ACCEPTABLE REPAIR TO THE BOLT HOLES IB FLAP TRACK POS NR 4. REF 5 THRU 7, REF 8 DETAIL VISUAL AND ULTRASONIC INSPECT AT THE INSTALLED FASTENER LOCATIONS (8 HOLES PER TRACK) AT INTERVALS NOT TO EXCEED 18 MONTHS OR 1200 CYCLES, WHICHEVER IS EARLIER. (M)