As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 4222 - AIRCRAFT DIVERTED TO BOS DUE TO RIGHT PGB OIL PRESSURE INDICATION READING ZERO. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPAIRED BROKEN WIRE GOING TO RIGHT OIL PRESSURE TRANSDUCER. SYSTEM CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. (M)