What was found
RIGHT LOWER WING PLANK ACCESS HOLE CUT-OUT AT PANEL 640CB HAS 2 INDICATIONS AT FWD I/B ARC. INITIATE AWAC E06/021-457 CURRENT REVISION. ***AIRCRAFT REMOVED FROM SERVICE*** BLENDED INDICATIONS ON INBOARD FLANGE OF PANEL 640CB ACCESS HOLE, MEASURING 6.100Ï¿½L X 0.500Ï¿½W X 0.019Ï¿½ D, REMAINING 0.163Ï¿½. BLENDED AREA WITHIN LIMITS, HFEC PERFORMED WITH NO INDICATIONS ROTO PEENED AND PROTECTIVE FINISH RESTORED, REF EO#E06/021/457 REV D DATED12/20/2018 AND REO 601-57-21-030 REV L DATED 2014/02/05