As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C REQUIRES 4 UNITS R RUDDER TRIM, A-S 255 IAS FL370 CRUISE 4.0 RWD. REPLACED RUDDER RATIO CHANGER, PREVIOUSLY REPLACED TE FLAP PDU CONTROL VALVE OUTBD CHECK VALVE ADJUSTED RIG OF RUDDER RATIO CHANGER, RUDDER RIG FOUND TO BE OUT OF LIMITS ADJUSTED POGO ROD OF RATIO CHANGER, REPLACED LOWER RUDDER PCU.