As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
N0527 - DURING AC P-F CONV AT AERONAVALI, A CRACK 0.87 IN LONG WAS FOUND ON WEB OF UPPER TORQUE BOX PLANE AT Y=2017 AND RBL = 20. SRM 53-00-01, FIG 4 SHEET 2 WEB REPAIR COULD NOT BE ACCOMPLISHED. REPAIR TO STOP DRILL CRACK AND VERIFY CONTAINMENT. THEN INSTALL TITANIUM REPAIR DOUBLER AND STIFFENER ANGLES IAW EA NR 8-5317-41822.