As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL ON FWD SIDE OF AVIONICS DOOR SURROUND IS CORRODED ON LOWER FLANGE, FS364 STGR 27L. NO DAMAGE ALLOWED IN THAT AREA PER SRM. INSTALLED INTERCOSTAL FWD OF FS 364 STGR 27L IAW SRMS 51-42-06 AND 51-42-21. 2. LOCATED AND DRILLED UP INTERCOSTAL FWD OF FS 364 STR 27L IAW SRM 51-40-11.