Electrical problems
Expect
high stress level in the cockpit
NAV - failure
transponder switched off to save energy
communication failure
limited readbacks
level changes to maintain VMC
manual gear extension
possible engine failure
Remember
A -> Acknowledge S -> Separate S -> Silence I -> Inform S -> Support T -> Time
inform landing airport
If needed, inform pilot about
next suitable airport
aerodrome details as soon as possible
suitable vectors and position information
save energy
avoid IMC