Type training · Boeing 767 B1.1 · ATA 78

Boeing 767 B1.1: CF6-80C2 Thrust Reverser (ATA 78)Type training questions & answers

Translating cowls, blocker doors, CDUs and flex shafts, TRAS brakes, PRSOV, DPV and the interlock.

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Sample CF6-80C2 Thrust Reverser questions with answers

Three questions from the free preview. Think of your answer first, then open the explanation.

  1. 1.Which air does the CF6-80C2 thrust reverser turn forward?

    • A.Fan and core exhaust
    • B.Core exhaust only
    • C.Fan air only
    Show answer and explanation

    Correct answer: C. Fan air only

    Only fan air is reversed; the turbine exhaust still gives some forward thrust.

  2. 2.How many blocker doors are in each thrust reverser half?

    • A.Four
    • B.Six
    • C.Eight
    Show answer and explanation

    Correct answer: B. Six

    Each half has six blocker doors with drag links and 16 deflectors.

  3. 3.How many ball screw actuators move each translating cowl?

    • A.Two
    • B.Four
    • C.Three
    Show answer and explanation

    Correct answer: C. Three

    Three: the center one driven by the CDU, and upper and lower ones through flex shafts and angle gearboxes.

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Part of the Boeing 767 B1.1 engine and APU course

One chapter of the Boeing 767 B1.1 engine and APU course question bank, for the 767-300 with GE CF6-80C2 engines, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.

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