B757 Undifferentiated or Other Model
Communication Breakdown; Confusion
Conflict Ground Conflict; Critical; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Regained Aircraft Control
Human Factors
Marshaller followed SOP (Standard Operating Procedure) during aircraft arrival; nose gear wheels were stopped correct on the B757 line. Marshaller then approached NLG (Nose landing Gear) tire to chock and a few seconds later the aircraft started to roll forward. The Marshaller immediately ran in view of the Co-Pilot and showed a stop with his wands; the aircraft made an abrupt break and was about 10 ft past the B757 line. Supervisor's notified by Zone Control of mis-park and to double check if engine number 1 had contact with jet bridge. No contact to jet bridge; engine was about 3 feet away.
Ground Personnel reported that an aircraft rolled forward after being parked; resulting in a near-collision with the jetbridge.