What was found
AIRCRAFT WAS GROUNDED: ON ARRIVAL AT BOS, L1 DOOR DIFFICULT TO OPEN. MAINTENANCE REPLACED L1 DOOR GUIDE ARM PIN PER AMM 52-11-21.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: ON ARRIVAL AT BOS, L1 DOOR DIFFICULT TO OPEN. MAINTENANCE REPLACED L1 DOOR GUIDE ARM PIN PER AMM 52-11-21.