China Issues Airworthiness Directive for Boeing 737 MAX System and Manual Changes

China’s civil air travel regulator has actually released an airworthiness instruction detailing modifications needed to the Boeing 737 MAX that will ultimately permit airline companies running the airplane to resume its service in Chinese airspace, consisting of the Xiamen Airlines 737 MAX visualized here. (Boeing/PR Newswire)

China’s civil air travel regulator, the Civil Aviation Administration of China (CAAC), on Thursday released its last airworthiness regulation (ADVERTISEMENT) detailing the flight handbook and software and hardware modifications needed for raising its restriction on the Boeing 737 MAX.

CAAC’s advertisement comes 33 months after the company ended up being the very first worldwide air travel regulator to ground the 737 MAX in March 2019 following 2 deadly crashes of the airplane type including Lion Air and Ethiopian Airlines. While the instruction consists of display screen software application updates and electrical wiring modifications needed as restorative actions to the MAX’s Maneuvering Characteristics Augmentation System’s (MCAS) function that was eventually discovered to have actually resulted in the 2 crashes, it does not supply the last lifting of the restriction on the airplane required for it to resume flying passenger-carrying flights in Chinese airspace once again.

” CAAC finished evaluation of the actions proposed by Boeing, consisting of Flight Control Software style modification, MAX Display Software style modification, Aircraft Flight Manual modification, Horizontal Stabilizer Trim Wire Bundle Routing Change, and so on. After carrying out adequate evaluation, CAAC thinks about the restorative actions are appropriate to resolve this hazardous condition,” the company keeps in mind in the advertisement.

Changes laid out by CAAC correspond what the Federal Aviation Administration (FAA) described in the advertisement it provided clearing limit for a go back to service in U.S. airspace in 2015. The firm is needing 737 MAX operators to set up and validate the flight control computer system software application updates to both MAX flight control computer systems and supplies information on functional modifications and fault messages operators need to know as they incorporate the needed modifications into their airplane.

caac ad

The advertisement released by CAAC is 14 pages long; take a look at the complete variation at this link

In a declaration released by the South China Morning Post on Friday, Yang Zhenmei, director general of the Department of Airworthiness at the CAAC, stated that the 737 MAX “is anticipated to resume domestic industrial operations by the end of this year or the start of next year for existing fleet and likewise resume the intro of brand-new airplane.”

During a quarterly revenues call kept in October, Boeing CEO Dave Calhoun informed experts that flight screening for the 737 MAX go back to service in China was finished in the 3rd quarter, and he continues to expect last CAAC approval by the end of the year. Boeing Chief Financial Officer Brian West approximates that a 3rd of the roughly 370 MAX airplane still in stock that have actually not yet been provided are for operators based in China.

” The CAAC’s choice is a crucial turning point towards securely returning the 737 MAX to service in China,” Boeing stated in a declaration following CAAC’s publishing of the advertisement. “Boeing continues to deal with regulators and our consumers to return the aircraft to service worldwide.”

Source: China Issues Airworthiness Directive for Boeing 737 MAX System and Manual Changes

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