As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION IN THE BORE AND BADLY WORN BUSHING AT THE OTBD LUG OF THE LH AILERON INBD PCU ATTACH FITTING. RADIAL CHAFE ON THE OTBD FACE. (C-CHECK) RO: 11/04/2019 REMOVED CORROSION FROM BORE OF LH AILERON I/B PCU FITTING BY OVERSIZING. COMPLIED WITH M-337.