What was found
THE LARGE SPUR GEAR, WHICH MATES WITH THE TACHOMETER DRIVE GEAR (PN: 896806-1), SHOWS PREMATURE, EXCESSIVE WEAR ON THE FACE (MATING SURFACE) OF ALL OF THE GEAR TEETH. THIS GEAR WAS INSTALLED IN A SERIES 3, PN: 3101726-3 TORQUE SENSOR, WHICH WAS MODIFIED IAW HONEYWELL SERVICE BULLETIN TPE331-72-2267, WHICH INSTALLS NEW PN: 70100168-1, CERAMIC BEARINGS.