As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND CORROSION ON SHEAR WEB BETWEEN FR 19-20 LT SIDE BEHIND L1 DOOR. AAR MX REPLACED SHEAR WEB (PN 170-07311-001) BETWEEN FR 19-20 LT SIDE BEHIND L1 DOOR, IAW EMB SRM 51-43-02, SRM 51-41-02. FOR DETAILS OF WORK PERFORMED SEE AAR NRC NR 4500797-2000-0084. A/C REMAINS IN YQG FOR COMPLETION.