What's wrong with that ABC report???
Simonta,
not sure what your point is. The data is taken directly from the ATSB statement (see post 159 for full text), but here is the relevant bit:
While the full interpretation and analysis of the recorded data will take some time, preliminary review of the data indicates that after the aircraft climbed about 200 feet from its cruising level of 37,000 feet, the aircraft then pitched nose-down and descended about 650 feet in about 20 seconds, before returning to the cruising level. This was closely followed by a further nose-down pitch where the aircraft descended about 400 feet in about 16 seconds before returning once again to the cruising level. Detailed review and analysis of FDR data is ongoing to assist in identifying the reasons for the events.
So about 1,950fpm and then 1,500fpm. Pretty hairy obviously, but perfectly possible. Perhaps I'm misunderstanding you, but I'm not clear what you're suggesting is wrong with the report.