What was found
FOUND CRACKED AFT ZEE ASSY PN 62664-000. THE ZEE ASSY IS RIVETED TO THE TOP FWD END OF TUNNEL PLATE PN 62601-003 AND AS AN ATTACHMENT POINT FOR THE RUDDER BAR SUPPORT ASSY PN 63451-000 USING 4 STANDARD AN3-4A BOLTS, WHICH ARE SECURED THROUGH NUTPLATES THAT ARE RIVETED ON BOTH FORE AND AFT ZEE ASSEMBLIES. CRACKING POSSIBLY CAUSED BY LOOSENESS IN TOE BRAKE SUPPORT BRACKETS PN 63468-000 ON BOTH PILOT AND CO-PILOTS SIDE. THE STANDARD AN3-13A BOLTS USED TO ATTACH THESE TOE BRAKE SUPPORT BRACKETS LOOSEN OVER TIME AND CAUSE LOSS OF SUPPORT TO THE RUDDER PEDAL BAR ASSY PN 63420-000. EXCESS MOVEMENT IN RUDDER BAR SUPPORT ASSY. THIS FLEXING TRANSFERS DOWN TO THE ZEE ASSEMBLIES CAUSING METAL FATIGUE AND SUBSEQUENT CR