the primary factor in this accident was the licencing authorities (UK CAA) and the flight operations inspectors (WC) not to require sufficient conversion to the 737-400 instrumentaction.
Not convinced: First indication of a snag then the AP was disengaged - PF now loses a huge chunk of diagnosis capacity. Crew then failed to diagnose the correct engine because they rushed into it. Irrespective of the type of engine parameter displays, the fluctuating N1 and ITT would have been there to see if only they'd looked rather than assuming the bleed air was the most important indication. Having wrongly diagnosed they then shut it down!
CRM has gone quite a way since 88, but the flight deckcrew performed badly that evening!