United 757-222 (25276/396) N542UA departs Los Angeles International Airport (LAX/KLAX) on February 12, 2011 sporting the "Farewell Season the Oprah Winfrey Show" livery.(Photo by Michael Carter)
United Airlines has decided to voluntarily ground its Boeing 757-200s to ensure compliance with an Airworthiness Directive (AD).
The Flightglobal ACAS fleet database shows that currently United operates 96 of the type.
The AD requires a modification to the air data computer system, which involves installing certain new circuit breakers, relays and related components and making various wiring changes in and between the flight deck and main equipment centre.
The reference number of the AD is 2004-10-05.
(FlightGlobal News)
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