What was found
FLT 737 FROM MMMY TO TOL. WHILE CLIMBING THRU 10,000 FEET NUMBER ONE ENGINE LOW OIL PRESSURE/FILTER BYPASS LIGHT ILLUMINATED. ENGINE WAS SHUTDOWN, EMERGENCY WAS DECLARED, AIRCRAFT WAS DIVERTED TO LRD AND LANDED WITHOUT INCIDENT. ENGINE WAS INSPECTED AND METAL CONTAMINATION WAS FOUND IN OIL SCREEN. AIRCRAFT WAS FERRIED TO MAINTENANCE FACILITY WERE NR 1 ENGINE WAS REMOVED AND REPLACED, PERFORMED OPS AND LEAK CHECKS, CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.