What was found
FUSELAGE SKIN IS CRACKED AT THE R1 DOOR LOWER HINGE CUTOUT NDT HAS VERIFIED. ACFT GROUNDED. REPAIRED FUSELAGE SKIN IAW 53-10-01-2R-15. THIS IS A CAT B REPAIR WITH AN INSPECTION THRESHOLD OF 60000 TOTAL FLT CYCLES OR 3,000 FLT CYCLES FROM INSTALLATION OF REPAIR. TOTAL FLT CYCLES AND HRS AT TIME OF REPAIR 42,063 CYCLES 73,106: 32 HRS, FOR INTERVAL AND METHOD, REF D6-38669.