As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE FOUND IN THROTTLE QUADRANT ON RT SIDE IMPROPER PART (YELLOW PLASTIC SHIM) FOR SWITCH BLOCKING RT LOCKOUT PAWL NOT ALLOWING LOCKOUT SOLENOID TO PULL PROPERLY. INSTALLED NEW SWITCH AND BEGAN CHECK OF T/RS. RT T/R DEPLOYED ON ITS OWN. TROUBLESHOT AND FOUND NEW SWITCH DEFECTIVE. REMOVED DEFECTIVE NEW SWITCH AND INSTALLED ANOTHER SWITCH, PN 3115M7-T AND NEW SHIMS, PN 2615172-12 IN QUADRANT.