As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION : CORROSION ON INTERCOSTAL AND CHANNEL FS=1031 / FS=1051 STRG 27 AT REAR FUSELAGE INTERNAL STRUCTURE (FUS) ( TCI:53-30-310).(C2) INTERCOSTAL WAS CLEANED PER SRM 51-26-00-001-001-A01, AFTER CLEANING ON INTERCOSTAL RE-INSPECTION WAS PERFORMED PER AMM:05-21-00-210-801 AND NOT FOUND CORROSION. CHANNEL BTW FS=1031 / FS=1051 STR 27 WAS REPLACED PER SRM 51-42-06-001-001-A01.