As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLEANING FORWARD SIDE OF AFT PRESSURE BULKHEAD FOR THE RESTORATION CARD FOUND CORROSION AROUND THE RIVETS JUST TO THE LEFT OF BL 0. REMOVED CORROSION, CUTOUT LOWER SKIN FOR WEB ACCESS REMOVED STRINGER END FITTING. FABRICATED SKIN DOUBLER AND WEB DOUBLER INSTALLED REPAIR PARTS AND STRINGER END FITTINGS IAW ASA EA 400 53EA 05300.