Another SFO incident for AC (#3)?
Not sure if it's ok to reference AV Herald here, but this raised an eyebrow today...
Incident: Canada A319 at San Francisco on Oct 3rd 2019, landed without hearing landing clearance
By Simon Hradecky, created Tuesday, Oct 29th 2019 21:26Z, last updated Tuesday, Oct 29th 2019 21:26ZAn Air Canada Airbus A319-100, registration C-FZUJ performing flight AC-741 from Toronto,ON (Canada) to San Francisco,CA (USA) with 110 people on board, was on approach to San Francisco's runway 28L when the crew did not report on tower frequency. The aircraft continued for a safe landing on runway 28L.
The Canadian TSB reported the landing clearance was issued, however, it was not heard by the flight crew because they didn't switch to tower frequency. The airline conducts an investigation.