What was found
(CAN) CHIP DETECTOR LIGHT ILLUMINATED FOLLOWED BY ENGINE VIBRATION, ON NR 1 ENGINE. ENGINE WAS SECURED. POST-FLIGHT INSPECTION FOUND THE NR 3 BEARING HAD FAILED CAUSING METAL CONTAMINATION TO THE C-BOX. THE BEARING WAS PREVIOUSLY A RE-MANUFACTURED BII BEARING. THE BEARING HAD BEEN INSTALLED 2000 HOURS PREVIOUSLY. THE BEARING HAS BEEN SENT FOR FURTHER EVALUATION. PRATT & WHITNEY CANADA HAS NO RECORD OF THE BEARING (SERIAL NUMBER X984) AND CONCLUDED EITHER THE BEARING IS A VERY OLD PRATT & WHITNEY CANADA (ORIGINALLY) BEARING OR IS A BOGUS PART.