AD 2014-15-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
| engine | Rolls-Royce | engines | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of cracked outer V-blade fittings at the hinge beam end of Rolls-Royce engine thrust reversers, on airplanes on which the optional terminating action was done, could result in separation of a thrust reverser from the airplane during normal reverse thrust or during a refused takeoff, leading to unexpected thrust asymmetry and a possible runway excursion.
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Required Actions
For airplanes on which the optional terminating action was done, perform repetitive inspections for cracking in the outer V-blade fittings of the hinge beam and latch beam ends of each thrust reverser half. Replace an affected thrust reverser half if necessary.
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Compliance Time
Within the compliance times specified in Boeing Special Attention Service Bulletin 777-78-0064, Revision 2, dated June 14, 2012, measured from the effective date of AD 2006-26-06, Amendment 39-14864.
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Affected Aircraft
The Boeing Company Model 777-200 and -300 series airplanes equipped with Rolls-Royce engines, including additional airplanes added to the applicability of this AD.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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