What was found
DURING C-CHECK, CORROSION WAS FOUND ON THE 65B04483-13 STRINGER 51 LT AT BS 1918-1927. PART 1 - INTERIM REPAIR DO NOT SCHEDULE; THIS EO DOCUMENTS AN INTERIM REPAIR ACCOMPLISHED DURING THE JANUARY 2010 C-CHECK AT 14,764 TFC AND 87,026 TFH. INITIAL AND REPEAT INSP ACCOMPLISH PART 2 OF THIS EO PRIOR TO 20,764 TOTAL FLIGHT CYCLES. THEREAFTER, REPEAT PART 2 AT 3,000 CYCLE INTERVALS. THE CORROSION WAS BLENDED OUT IAW SRM 51-10-01 TO A MINIMUM REMAINING THICKNESS OF 0.068 INCH THICK. THE BLENDED AREA WAS THEN REINFORCED IAW NRC 195 AND SRM 53-10-03, FIGURE 9.