GCAA CAR-66 B2 Exam case studies
GCAA CAR-66 B2 Exam · Put your knowledge to work in context.
The GCAA CAR-66 B2 licence is the UAE General Civil Aviation Authority's certification for aircraft maintenance engineers who work on avionics and electrical/electronic systems. It is aimed at technicians seeking to certify maintenance on electronic instrument systems, electrical power, and related avionic equipment under the UAE regulatory framework administered by the GCAA. The examination is delivered in multiple-choice format and spans the twelve CAR-66 Part 66 modules: mathematics, physics, electrical fundamentals, electronic fundamentals, digital techniques and electronic instrument systems, materials and hardware, maintenance practices, basic aerodynamics, human factors, aviation legislation, turbine aeroplane aerodynamics/structures/systems, and helicopter aerodynamics/structures/systems. Because the B2 category emphasises avionics, the electrical, electronic, and digital modules carry particular practical weight even where each module is nominally weighted equally. The GCAA CAR-66 B2 Exam case studies are 5 cases and about 1,209 words.
1Intermittent Radio Altimeter Fault
A Boeing 737-800 has an intermittent radio altimeter fault. The captain's radio altimeter occasionally displays incorrect altitude during approach, causing the autothrottle to fluctuate.
262 words, about 1 min2Engine Vibration After Fan Blade Replacement
A CFM56-7B engine on a Boeing 737-800 has just had a fan blade replaced due to foreign object damage. The maintenance manual specifies that fan blades must be matched within a certain weight range and that the fan rotor must be balanced.
242 words, about 1 min3Incorrect Fuel Quantity Indication
An Airbus A320 reports that the fuel quantity indication for the left wing tank is erratic and sometimes shows 500 kg less than actual. The aircraft uses a capacitance-type fuel quantity indicating system.
265 words, about 1 min4Hydraulic System Fluid Leak
A Boeing 777 has a hydraulic system leak in the right engine driven pump (EDP) system. The system uses Skydrol hydraulic fluid.
235 words, about 1 min5Autopilot Disconnect During Cruise
A Boeing 787 experiences an uncommanded autopilot disconnect during cruise at FL350. The flight crew reports that the autopilot disengaged and the aircraft pitched up slightly.
205 words, about 1 min