COMAC C919

A

ACuriousPLAFan

Lieutenant General
Registered Member
COMAC C919 marked its 3rd anniversary of service entry on May 28th. Throughout the 3 years of operation, the C919 fleet has carried over 5 million passengers and reached 23 cities.

As of now, the operators of the COMAC C919 are as follows:
China Eastern Airlines = 16 units
Air China = 11 units
China Southern Airlines = 10 units

Posted by the official Weibo account of AVIC.

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D

Dolcevita

Major
Three years after its maiden commercial flight as China’s flagship civilian airliner, the C919 is entering a pivotal maintenance phase, with jets across the series being progressively grounded for rigorous inspections.

The results of these safety-focused “C-checks” are expected to play a role in convincing European aviation regulators of the aircraft’s long-term airworthiness.

State-owned carrier China Southern Airlines finished the first C-check of its C919 fleet at the end of May. The process lasted three weeks and required 6,000 man-hours, involving thorough item-by-item inspections where some components were disconnected from the fuselage for testing, the airline said in a statement.
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sangye

sangye

Junior Member
Registered Member
Dolcevita said:
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for those, like me, curious about the definiton of a C check:
ABC check system

Airlines and airworthiness authorities casually refer to the detailed inspections as "checks", commonly one of the following: A check, B check, C check, or D check. A and B checks are lighter checks, while C and D are considered heavier checks. Aircraft operators may perform some work at their own facilities, but often checks, and especially the heavier checks, take place at maintenance, repair and overhaul (MRO) company sites.

C check

The C check is performed approximately every 20 to 24 months, after a specific number of actual flight hours, or as defined by the manufacturer. This maintenance check is much more extensive than the B check, requiring a large majority of the aircraft's components to be inspected. This check puts the aircraft out of service for 1 to 4 weeks. The aircraft must not leave the maintenance site until it is completed. It also requires more space than A and B checks, therefore, it is usually carried out in a hangar at a maintenance base. The effort needed to complete a C check is up to 6,000 man-hours.
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The first C919 D check should happen no earlier than 2029 and no later than 2033.
 
Tomboy

Tomboy

Captain
Registered Member
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Better pics of C916

Also as a sidenote current rumors are 2029 certification date for CXF which closely follows CJ-1000A's 2028 certification. Despite official timeline being certification by late 2027, the poster doesn't think this timeline is likely to be met as the engine is still in the process of finalising the design for TC. Also he also mentioned CXF is likely the true "target" and not the current C919 series.
 
P

pevade

Junior Member
Registered Member
Tomboy said:
View attachment 176936View attachment 176937View attachment 176938View attachment 176939View attachment 176940
Better pics of C916

Also as a sidenote current rumors are 2029 certification date for CXF which closely follows CJ-1000A's 2028 certification. Despite official timeline being certification by late 2027, the poster doesn't think this timeline is likely to be met as the engine is still in the process of finalising the design for TC. Also he also mentioned CXF is likely the true "target" and not the current C919 series.
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Whats with the APU exhaust?
 
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