单选题 What was the root cause of the B787 EMP C1 ROSAN fitting leakage?

A、 Incorrect torque value

B、 Failure to use O-ring installation tool ORT812

C、 Use of expired sealant

D、 Inadequate hydraulic pressure

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相关试题

单选题 Why did the flight control cables become crossed in a B737 project?

A、Incorrect cable tension

B、Over-tightened pulleys

C、Faulty engineering drawings

D、Lack of clearance checks per AMM

单选题 The overspeed warning occurred on B767 during flgith due to:

A、Faulty airspeed sensors

B、ALTN Vmo/Mmo switch in incorrect position

C、Engine malfunction in flight

D、Software calibration error

单选题 What immediate action was taken after the flight control cable cross incident on B737?

A、Retraining inspectors

B、Replacing all cables

C、Suspending involved personnel’s authorization

D、Reducing workload

单选题 Which preventive action was taken to address the B787 EMP ROSAN fitting leakage?

A、Mandatory use of MCS352B lubricant

B、Increased flight tests

C、Replacement of all hydraulic pumps

D、Reduced inspection frequency

单选题 To prevent ACP screen damage on B737 , what was emphasized?

A、Faster replacement

B、Reduced avionics testing

C、Protective measures before removal

D、Hiring external technicians

单选题 The cracked ACP screen on B737 was primarily caused by:

A、Mishandling during storage

B、Defective bubble wrap

C、Incorrect installation

D、Software malfunction

单选题 The laceration injury occurred on right lower leg which falling from cabin floor beam due to:

A、Lack of awareness of dummy floor panel removed

B、Missing PPE

C、Improper tool use

D、Fatigue

单选题 The forklift hit against pedestrian root cause was:

A、Mechanical failure

B、Poor lighting

C、Lack of ground spotter

D、Overloaded cargo