As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-15 CHECK LOOSE AND WORKING RIVETS WERE FOUND ON MLG WHEEL WELL KEELBEAM SKIN FROM BS 663 TO BS 727, STR 27 LT TO STR 27 RT. MAINTENANCE REMOVED KEEL BEAM SKIN FROM BS 663 TO BS 727, STR 27 LT TO STR 27 RT; FABRICATED NEW SKIN AND 2 EACH REPAIR DOUBLERS PER SB 737-53-104; INSTALLED REPAIR PARTS IAW AWA ER 15-5331-04020-SS1.