As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 894 - AFTER TAKEOFF FROM PHL, CREW RECEIVED THE BULK CARGO DOOR LIGHT. FLIGHT DIVERTED TO BOS AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE BULK CARGO DOOR LATCH SENSOR (S211) DAMAGED. AIRCRAFT WAS RELEASED ON MEL. (M)