As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HEAVY MX INSP EVENT FOUND CORROSION ON OTBD AILERON OTBD COUNTER WEIGHT BOX PN 113T7106-1 BOTTOM SURFACE NEAR REAR SPAR. REPAIRED COUNTER WEIGHT BOX IAW SRM 51-70-11, FIG 1. WORKED ON PROJECT N702AX-5. ITEM RETURNED TO SERVICE.