Exact RB211-535E4-B-37 certified turbofan model in the RB211 family. The EASA B suffix remains distinct from RB211-535E4-37 and -535E4-C-37; Boeing 757 installations and actor attribution remain separate evidence-bound work.
Exact RB211-535E4-B-37 certified turbofan model in the RB211 family. The EASA B suffix remains distinct from RB211-535E4-37 and -535E4-C-37; Boeing 757 installations and actor attribution remain separate evidence-bound work.
FAA applicability identifies Boeing 757 aircraft equipped with RB211-535E4, -535E4-B, and -535E4-C families; this packet creates only the exact B-37 propulsion identity.