As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH PRESSURE FLOOR SILL HAS MULTIPLE SPOTS CORROSION FROM F.S. 409.00=128 TO F.S. 559.00 (C-CHECK) RO 3/10/2021 REMOVED CORROSION FORM RH PRESSURE FLOOR SILL FROM FS 409+128 TO FS 559 AND FOUND TO BE WITHIN LIMITS IAW REO 601R-53-41-666 REV C DATED 2012-11-06. COMPLIED WITH TASK CARD 51-900-1003-SKY AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE NOTED. LEAK CHECK "GOOD."