As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV, CORROSION WAS FOUND ON FUSELAGE SKIN BELOW WING TO FUSELAGE FILLET PANEL RUBSTRIPS ON BS 727-826 BETWEEN LONGERONS 16-30L AND BS 826-864 BETWEEN LONGERONS 17-19L. BLENDED FUSELAGE SKIN AND WITHIN LIMITS TO LEAVE AS IS IAW SRM 53-04 PARA 57.