As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 21R CORRODED BETWEEN FS364.00 AND FS379.00 (C-CHECK RO 5/3/2021) REPLACED STRINGER 21R, FS333.00-379.00 PER SRM 51-42-06-001-001-A01 & DRAWING SH690-31350 REV M. SEE CONTINUATION CARD FOR DETAILS, CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.