PMDG 737 - Electrical System; Engines; Fire Controls - Engines; Flight Controls

0.00.40 PMDG 737
INTRODUCTION
NOVEMBER 2022 DO NOT DUPLICATE For Simulator Use Only
Electrical System:
• You can fail any bus on the airplane and suffer the appropriate
penalties as equipment powered by that bus falls offline.
• The PMDG 737 has a live, real-time amperage consumption
model. Every system on the airplane has its real-world electrical
consumption tracked in real-time. Many items use only 0.005
amps, but the airplane has numerous electrical consumers, so
load shedding behavior will vary depending upon what systems
you have consuming power at the time load shedding occurs!
• Every piece of equipment on the airplane that uses electricity is
correctly wired to its appropriate electrical sources. If you lose a
DC bus, you might lose the switches that are powered by that DC
bus, and thus lose interaction with the items those switches
control. Something to think about if you are experiencing power
failures.
Engines:
• If you have failures enabled, monitor your engine oil
pressure/temperature, EGT and vibration readings regularly.
Unhandled failures result in a cascade of other failures. For
example, an engine oil leak will eventually trigger an electrical
generator failure, an oil pressure failure and inevitably (in a
probabilistic manner) result in increased vibration, fuel flow and
finally complete engine seizure.
• Failures such as an ENG OVHT are dynamic, and will be
triggered slightly differently each time, requiring that you follow the
checklist to resolve them effectively.
Fire Controls – Engines:
• Bottles and Squibs are tracked. If you fire the bottle for one side, it
won't work for the other side.
• Fire Bottle Squibs can and do fail to test. If this happens, you
should catch it during the TEST function.
• Engine overheats may not necessarily result in the need to shut
down an engine... but you will have to follow the procedure in the
QRH to find out.
Flight Controls:
• Flap deployment speed is affected by the mode that the system is
operating in. When the trailing edge flaps are moved using the