As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6402 - BOS-IAD - DURING CRUISE, EXPERIENCED A DISCREPANCY WITH THE RT OIL PRESSURE INDICATION FLUCTUATION. AIRCRAFT DIVERTED TO BDL, DECLARED AN EMERGENCY AND LANDED WITH NO FURTHER PROBLEM. MAINTENANCE WAS DISPATCHED AND FOUND THAT THE RT ENGINE OIL COOLER IN-LINE BOSS WAS STRIPPED OUT. MAINTENANCE REMOVED AND REPLACED THE ENGINE OIL COOLER AND PERFORMED THE REQUIRED CHECKS. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (M)