The Boeing 737 MAX has slightly fewer total orders but has only been on the market for nine years since 2011. This, therefore, represents an average order of around 185 aircraft a year over 27 years. This practice is contrary to Boeing recommended procedures and could aggravate a fuel imbalance' - Boeing FCTM. 737-800: 4,991 orders (4,989 delivered) 737 MAX: 4,559 orders (387 delivered) The 737-800 has been on sale since 1993 when it was first announced. 'There is a common misconception among flight crews that the fuel crossfeed valve should be opened immediately after an in-flight engine shutdown to prevent fuel imbalance. And if you had the fuel balanced at the start of an engine failure, what difference does it make which tank you burn out of? Unless you're starting from the center tank, you'll be causing an imbalance, either way. 1 SP.12.1)Actually, Boeing doesn't recommend going to cross feed right away. has been released but not yet made public into the Air India Express 737-800. This is very undesirable as an engine failure significantly increases pressure and workload and very easily, you will forget to turn them on again. 737 Fuel crossfeed valve AD issued today which affects ETOPS operations.

(This procedure is found in QRH 7.10) If you have already reached an imbalance, you will need to turn off the fuel pumps for the side with less fuel. If you do this immediately, you shouldn't get an imbalance. 737-800BCF Specications 88 x 125 x 82 in 223 x 317.5 x 208 cm Weight Tare (approx) (lb/kg) Max External Dimensions L x W x H (in/cm) Specications for Selected ULDs ULD Common Designation Internal Cubic Capacity (ft 3/m ) Maximum Gross Weight (lb/kg) 440 ft3 12.5 m3 13,300 lb 6,033 kg 476 lb 216 kg 96 x 125 x 82 in 243.84 x 317.5 x 208.28. This checklist includes turning on the cross-feed valve. You should be completing the memory items of the engine failure checklist as soon as possible.

737 800 crossfeed