Originally Posted by takata
In many other cases, crews were alerted by experiencing airspeed fluctuations;
Is this your reference? -
BEA Interim #2, 1.16.3 Study of losses of or temporary anomalies in indicated speeds:
The recordings of total or static temperatures(9) show increases of ten to twenty degrees during the event, which sometimes began before noticing any speed anomalies, except in a case where the increase was lower;