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THE Federal Aviation Administration (FAA) has ordered an inspection of more than 1 000 US-registered Boeing 737 jets to examine the tail planes for a potentially faulty part, which it said could cause pilots to lose control of the aircraft if it failed.
The airworthiness directive (AD) issued by the FAA calls on airlines and other operators to replace tail plane fixing pins with improved pins following concerns over how their protective surface coating was applied.
"We are issuing this AD to prevent premature failure of the attach pins, which could cause reduced structural integrity of the horizontal stabilizer to fuselage attachment, resulting in loss of control of the airplane," the FAA said in the directive issued on Monday.
The airworthiness directive was posted on the website of Federal Register (http://link.reuters.com/pyb47t) and was first reported by the Wall Street Journal late on Sunday.
The FAA said the inspection was "prompted by reports of an incorrect procedure used to apply the wear and corrosion protective surface coating to attach pins of the horizontal stabilizer rear spar."
FAA said its directive affects 1 050 aircraft flown by US carriers and may cost up to $10.1m across the fleet, or up to $9 627 per aircraft.
The directive applies to models including 737-600, 737-700, 737-700C, 737-800, 737-900, and 737-900ER series aircraft.
Boeing could not immediately be reached for comment by Reuters.
