As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-13 CHECK A 1.125 INCH CRACK WAS FOUND IN LT PYLON ACCESS PANEL LANDING (5727L), NAC STA 220. MAINTENANCE PERFORMED HFEC INSPECTION TO IDENTIFY CRACK LENGTH; STOP DRILLED CRACK IN LT PYLON ACCESS PANEL LANDING; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW AWA ER 03-5433-01037-DL1.