As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEVATOR CONTROL TORQUE TUBE ON AFT SIDE OF STABILIZER CENTER BOX IS CORRODED. 12/03/16 REMOVED LOWER ELEVATOR CONTROL TORQUE TUBE FROM ELEVATOR FEEL UNIT IAW AMM 27-31-17 STEP 1 G (1) (D). INSTALLED LOWER ELEVATOR CONTROL TORQUE TUBE ON ELEVATOR FEEL UNIT IAW AMM 27-21-17-424-021 STEP 2 H (1) (F) AND (G).