As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HANGAR MAINTENANCE IN MCN, THERE WAS OIL CANNING OF THE FUSELAGE SKIN UNDER THE FORWARD SIDE OF THE CARGO DOOR FRAME. MAINTENANCE REMOVED AND REPLACED THE DEFECTIVE SKIN ON THE LEFT SIDE OF THE FUSELAGE IAW SRM CHAPTERS 51 AND 53. (M)