What was found
DURING IMBV INSPECTION, QA FOUND LT AFT FUSELAGE FASTENER HOLE CRACKED AT FRAME 75 STRINGER 2 AREA. ACFT WAS REMOVED FROM SERVICE FOR IMBV INSPECTION & WILL BE RETURNED TO SERVICE AFTER IMBV INSPECTION. PERFORMED PERMANENT REPAIR ON LT AFT FUSELAGE FASTENER HOLE CRACK AT FRAME 72 STRINGER 2 AREA IAW ERS-EM-53MR-600. REPAIR MATERIALS DOUBLER 2024T3 .080, FILLER 2024T3 .063, ANGLE 2024T3 .063, ANGLE FILLER 2024T3 .032.