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How much does the D check cost?

The engines are removed and re-assembled, as is the landing gear structure. The costs of these checks can docHub into the millions. The 2018 cost for a Boeing 747-400 D check was approximately $6 million, and a 777-3000ER as $4.5 million, for example.

How much does the C check cost?

Every C-check on B737 Classics the workhorse of domestic operations costs between $1.8 million and $3 million. For Nigeria alone, with a national fleet of about 30 B737 Classic aircraft, the saving from doing the work domestically could amount to as much as $90 million.

What is a 3C check?

3C check: Some authorities use a 3C check, also known as Intermediate Layover (IL). This type of check includes light structural maintenance, including inspection or checks for corrosion or high-load parts of the aircraft.

How long does an aircraft C check take?

The C Check Happens every 18 months to two years (depending on type of aircraft) and takes three weeks.

How often do airlines do C checks?

The C check is performed approximately every 2024 months, or a specific number of actual flight hours (FH), or as defined by the manufacturer. This maintenance check is much more extensive than the B check, requiring a large majority of the aircrafts components to be inspected.

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