What was found
LEFT WING TOP AFT PLATE AT RIB 11 FWD OF LH SPOILER #2 HAS EXFOLIATION CORROSION. WING TOP SKIN PANEL 2 COVERED BY THE REPAIR PLATE AND AROUND THE R PART 2A OF THE LATEST REVISION OF ECRA 5721-01495 ON OR BEFORE 447 TOTAL AIRCRAFT FLT HOURS. REPAIR PLATE & AROUND REPAIR PLATE, AT & ADJACENT TO REAR G WITH ANY FINDINGS. PART 3 - PERMANENT REPAIR: THE REPAIR ACCOM REPAIR PLATE, AT AND ADJACENT TO THE REAR SPAR AT RIBS 10-12, SPAR. ACCOMPLISH LFEC INSPECTION PER NTM 57-29- PLISHED IN PART 1 IS A CATEGORY B REPAIR REQUIRING REPETITIVE IN 1-250-801-A01 OF THE AREAS NOTED AS ITEM IN FIG. 40. SPECTION REQUIREMENTS (RIR) STATED IN PART 2. ACCOMPLISHED INTERIM REPAIR IAW ECRA 5721-01495. LT WING TOP SKIN PANEL 2 COVERED BY THE REPAIR PLATE AND AROUND THE REPAIR PLATE, AT AND ADJACENT TO THE REAR SPAR AT RIBS 10-12 PER PART 2A OF THE LATEST REV OF ECRA 5721-01495.