It seems almost common to break HDDs just while testing the firealarm. There are several incidents after a quick search. The latest big one was maybe this April in the Nasdaq's Scandinavian Data Center.
Blue Note: How Intentional Acoustic Interference Damages Availability and Integrity in Hard Disk Drives and Operating Systems [pdf] https://spqr.eecs.umich.edu/papers/bolton-blue-note-IEEESSP-...