As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY FS319.70 FRAME FROM STRG 21L TO STRG 25L CORRODED ON SEVERAL AREAS (C-CHECK RO 5/3/2021) REPLACED FRAME AT FS319.70, STRINGER 21L-25L PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.