What was found
(CAN) CHECKED CHIP PLUG AFTER 1.5 HRS OPERATING TIME, DUE TO METAL FOUND ON PLUG DURING 100 HR INSPECTION, REMOVED T/R GEARBOX AND INSTALLED SPARE. CHECKED TGB CONTROL ROD AT 100 HR INSPECTION IAW ASB 05-00-61 R1, AND FOUND MEASUREMENT TO BE CORRECT, FLUSHED T/R GEARBOX WITH MOBIL JET II OIL. PULLED CONTROL ROD, PN 365A33-6214-20 OUT OF GEARBOX AFTER GEARBOX REMOVED FROM ACFT AND FOUND METAL COMING FROM PITCH CHANGE BEARING, FLUSHED BEARING AND FOUND METAL PARTICALS.