The ALPA report says that engine power indications came from the engine torquemeter itself, not from the cockpit instruments. The CAB report said that the only cockpit instrument with anything on it was the captain's artificial horizon, and they didn't trust the reading.
The ALPA said the engine power indications were read off of engines one through three, but no reading could be obtained from number four. It also said that engine four separated at the embankment. As I've said, engine four hitting the embankment is an excellent reason for not being able to recover the torquemeter value.