What was found
DURING SCHEDULED C3 CHECK, FOUND FUSELAGE SKIN CRACKED .25, AT AFT APU COWL HINGE CUTOUT. REPAIRED PER BOEING TYPICAL REPAIR T1-A53-019.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED C3 CHECK, FOUND FUSELAGE SKIN CRACKED .25, AT AFT APU COWL HINGE CUTOUT. REPAIRED PER BOEING TYPICAL REPAIR T1-A53-019.