As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REMOVAL OF T/E PANEL ATTACHED TO LOWER SURFACE OF RT MLG SUPPORT BEAM, CORROSION NOTED AROUND MLG SUPPORT BEAM FASTENER HOLE. CORROSION REMOVED AROUND HOLE IAW SRM 51-10-06. HFEC C/O ON FASTENER HOLE AND COUNTER BORE IN THE ABOVE AREA IAW B727 N DTM PT 6 51-00-00 FIG 4 AND FIG 16 - NDF. FREEZE PLUG INSTALLED IAW SRM 51-10-019 AND SMRO EO 2002-052-019. UPS ENGINEERING FILE NR 727-57-20063.