What was found
(AIRCRAFT NOT GROUNDED) (DEFECT DISCOVERED DURING AC HEAVY MX) NRC 1000-0150: 031-30 (SM) AFT CARGO COMPARTMENT FLOOR STRUCTURE, CORROSION FOUND AT PLATE-SKIN FRAME 59 BL0 AREA. / TROUBLESHOOTING IN-PROGRESS"
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AIRCRAFT NOT GROUNDED) (DEFECT DISCOVERED DURING AC HEAVY MX) NRC 1000-0150: 031-30 (SM) AFT CARGO COMPARTMENT FLOOR STRUCTURE, CORROSION FOUND AT PLATE-SKIN FRAME 59 BL0 AREA. / TROUBLESHOOTING IN-PROGRESS"