What was found
DURING HEAVY MAINTENANCE: INITIAL INSPECTION: “CPCP FINDING”: CORROSION ON AFT CARGO INTERNAL STRUCTURE SHEARCLIP BTW FR 78 AND STGR 23LH/24LH; SUMMARY OF NRC 00265: CORROSION ON AFT CARGO INTERNAL STRUCTURE SHEARCLIP BTW FR 78 AND STGR 23LH/24LH WAS REMOVED AND EVALUATE ORIGINAL THICKNESS IS .050" AND MINIMUM REMAINING THICKNESS IS 0.015" THEREFORE ITS OUT LIMITS SHEAR CLIP WAS REPLACED PER EMB-190 SRM 51-12-01 PAR. 6 AND SRM 51-10-03 PAR. 4 A AND SRM 51-75-16 PAR 4 AND SRM 51-41--01 AND AREA WERE IDENTIFIED PER JETBLUE GMM 8.18.4.1 PAR. 13, REV. 29. REF NR# 265 ACC BY # 200702030, INSP BY# 200900620. (CONSIDERED A MAJOR REPAIR)