FAA issues airworthiness directive mandating third A330 A340 inertial navigation fault fix

The United States Federal Aviation Administration today issued a final airworthiness directive (AD) instructing operators of most Airbus A330 and A340 models to power down suspect air data inertial reference units (ADIRU) using one specific rotary dial on the panel.

The mandate follows EASA Emergency AD 2008-0225-E of December 18, 2008, which superseded EASA Emergency AD 2008-0203-E of November 19, 2008, issued after a Qantas Airways A330-300 pitched down unexpectedly while in cruise at flight level 370, seriously injuring 14 of the 303 passengers.

The Airbus A340 is also affected due to its cockpit similarity to the A330.

Read the directive here.

About Devesh Agarwal

A electronics and automotive product management, marketing and branding expert, he was awarded a silver medal at the Lockheed Martin innovation competition 2010. He is ranked 6th on Mashable's list of aviation pros on Twitter and in addition to Bangalore Aviation, he has contributed to leading publications like Aviation Week, Conde Nast Traveller India, The Economic Times, and The Mint (a Wall Street Journal content partner). He remains a frequent flier and shares the good, the bad, and the ugly about the Indian aviation industry without fear or favour.

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