As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE THE A/C WAS IN FOR HEAVY CHECK FOUND FWD CARGO DOOR CUTOUT CORROSION ON 4 NUTPLATE SUPPORT AT LOWER SILL BEAM BETWEEN FR 24-27. REPLACED FWD CARGO DOOR CUTOUT CORROSION FOUND ON 4 NUTPLATE SUPPORT PN 170-67176-403 AT LOWER SILL BEAM BETWEEN FR 24-27, IAW EMB SRM 51-41-01, 51-21-02. FOR DETAILS OF WORK PERFORMEED SEE AAR NRC NR 4500797-1000-0127. A/C REMAINS IN YQG FOR COMPLETION.