Type training · Boeing 777 B2 · ATA 49, 52–57
Boeing 777 B2: APU, Doors and Structure (ATA 49, 52–57)Type training questions & answers
APU controller and protection, door indication, fuselage, radome and wing items for B2.
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- Written for the 777 avionics
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Sample APU, Doors and Structure questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.Where is the 777 APU controller (APUC)?
- A.In the main equipment center
- B.In the aft galley ceiling
- C.In the aft cargo compartment
Show answer and explanation
Correct answer: B. In the aft galley ceiling
The APUC is in the ceiling of the aft galley area. Ref AMM 49-00-00.
2.How can the APUC be powered with the APU off?
- A.APU maintenance switch on P61
- B.APU maintenance switch on P40
- C.A power switch on the APUC
Show answer and explanation
Correct answer: A. APU maintenance switch on P61
The APU maintenance switch on P61 powers the APUC for maintenance. Ref AMM 49-00-00.
3.Where is the APU data memory module?
- A.On the APU itself
- B.Next to the APUC
- C.In the main equipment center
Show answer and explanation
Correct answer: A. On the APU itself
The data memory module is mounted on the APU, so its data stays with the engine. Ref AMM 49-10-00.
Part of the Boeing 777 B2 type course
One chapter of the Boeing 777 B2 type course question bank, for the 777 avionics, 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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