Max operating alt
FL 450
Max guaranteed start alt
FL 370
Max alt for starter assist
FL 300
If APU inop or can’t start an engine
FL 300
Max EGT for start
1050 c
Max EGT running
732 c
Min temp for gnd start
Max start alt
FL 390
Max RPM
106%
Check oil levels when
10 - 30 minutes after shutdown
Starter limits
Max of 3 consecutive start attempts with a 1 minute cool down between
1 hour cooling before next full starter cycle
Or
6 successful starts with 10 min interval between starts
Min temp for ground start