As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REMOVAL OF RT AILERON TAB FOUND 2ND FROM O/B HINGE FITTING ON AILERON CRACKED AT FWD UPPER CENTER. AREA APPROX .200 LENGTH. RECEIVED A REPLACEMENT FITTING, INSTALLED NEW FITTING IAW B737 400 SOPM 20 50 01 PG 2 STEP 3 AND CMM 57 50 25 PG 701 STEP 2E FIG 56 INITIATED.