Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 165; Flight Crew Total 4177; Flight Crew Type 3607
Confusion; Workload
Airspace Violation All Types; Deviation - Altitude Overshoot; Deviation / Discrepancy - Procedural Clearance; Deviation / Discrepancy - Procedural Published Material / Policy
General None Reported / Taken
Chart Or Publication; Human Factors; Procedure
Assigned and cleared for the DYMND arrival into SFO. Upon reaching the initial fix of arrival; we were cleared to descend via arrival. Set the charted minimum altitude of 7;000 feet in MCP and executed in VNAV path and crossed ARCHI at 7;000 feet. Reviewed ops alert in route which stated ATC would assign altitude of 8;000 feet to maintain within Class B airspace; but we were not assigned altitude with the descend via clearance. No conflict occurred.
Both of us independently read the operations alert and checked it with the database. On crossing ARCHI intersection at 7;000 feet ATC informed us there is a NOTAM that says to change crossing to 8;000 feet. To my knowledge; no event occurred and the approach and landing were normal. Later on the ground I found the NOTAM. The NOTAMs were reviewed before flight.
A B757 flight crew flying the SFO DYAMD RNAV arrival crossed ARCHI at 7;000 feet and were informed by NCT a NOTAM was issued changing the ARCHI constraint to 8;000 feet; the SFO Class B floor in that area.