As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TGB CENTER HOUSING WAS FOUND CRACKED WHILE INSTALLED ON THE AIRCRAFT. IT WAS REMOVED PREMATURELY ON OCTOBER 20, 2000. THE SHOP DETECTED THE CRACK VISUALLY. THE CRACK BEGAN AT THE SECOND ROSAN STUD CLOCKWISE FROM THE ROSAN SEAT PAD LOCATED 34 DEGREES FROM CENTERLINE OF INPUT BORE. THE CRACK EXTENDED RADIALLY THROUGH .3750-16 NC TAPPED BORE AND ABOUT 3.2500 OF AN INCH THROUGH THE WEB. PROBABLE CAUSE IS UNKNOWN AT THIS TIME.