As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT 364.00 BETWEEN STGR21L - 22L IS CORRODED ON THE FORWARD FACE. (C-CHECK) RO 1/29/2021 CORROSION ON FRAME AT FS364.00 BETWEEN STGR21L-22L EVALUATED AS OUT-OF-LIMITS. REMOVED DAMAGED FRAME SECTION, AND INSTALLED NEW FRAME SECTION. COMPLIED WITH ALL STEPS OF MHI RJ REO 601R-53-21-3385 REV -- DATED: 2021-01-19. COMPLIED WITH TASK CARD 51-900-1003-SKY. NO LEAKS DETECTED.