As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HVY CK FOUND CENTER FUSELAGE III FRAME 90 STRINGER 28L EXTERNAL SKIN SHEAR CLIP HAS CORROSION SEAT TRACK PN 170-86081-005 REPLACED IAW SRM 51-53-03, 51-43-04. SEE AAR NRC 4500889-1000-0084 FOR WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.