737-900ER Max Altitude 45,800 ft PMDG MSFS
You can only set FLT ALT to 42000 in game.
CRUISING SPEED
525 mph (844 km/h)
RANGE
2,810 miles (4,522 km)
ENGINES
2 Turbofans (wing mounted)
WINGSPAN
117 ft 5 in (35.79 m)
TAIL HEIGHT
41 ft 2 in (12.55 m)
LENGTH
138 ft 2 in (42.11 m)
Source: https://www.delta.com/us/en/aircraft/...
The problem with the light in the cabin, is just that livery only. I've since found it is fine with others, including the British Airways default.