What was found
DURING HEAVY CHECK, RT OTBD AILERON PCU HAS CORRODED NUT ON OUTPUT SHAFT. MX R & R NUT IAW CMM 27-12-03 AILERON POWER CONTROL UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, RT OTBD AILERON PCU HAS CORRODED NUT ON OUTPUT SHAFT. MX R & R NUT IAW CMM 27-12-03 AILERON POWER CONTROL UNIT.