AD 2018-26-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
Operators of A350 aeroplanes have reported some occurrences of TRA jamming. Further investigation results indicated that the ball bearings inside the TRA are suffering from corrosion due to lack of grease and are degrading with time. This condition, if not corrected, could lead to an inadvertent thrust reverser sleeve deployment, possibly resulting in reduced control or performance of the aeroplane.
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Required Actions
This AD requires repetitive greasing of each affected TRA and a one-time replacement of certain affected TRA, depending on condition. The AOT also provides instructions to replace certain affected TRA, depending on condition and previously applied greasing. For the reasons described above, this [EASA] AD requires implementation of certain dispatch restrictions. This [EASA] AD also requires repetitive greasing of each affected TRA and a one-time replacement of certain affected TRA, depending on condition.
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Compliance Time
Before further flight
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Affected Aircraft
All Airbus SAS Model A350-941 and -1041 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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