AD 97-22-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-9 | Airworthiness Directives; Pilatus Britten-Norman Ltd. (formerly Britten-Norman) BN-2A, BN-2B, and BN-2T Series Airplanes |
Unsafe Condition
Cracks in the junction of the torque link lug and upper case of the main landing gear (MLG) torque link assemblies could lead to failure of the main landing gear, resulting in loss of control during landing operations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitively inspect the junction of the torque link lug and upper case of the MLG torque link assemblies for cracks. Replace any MLG torque link assembly with a Modification A39 MLG torque link assembly immediately if cracks are found, or after a certain period of time if no cracks are found. Replacing all MLG torque link assemblies with Modification A39 eliminates the need for repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 1,000 hours time-in-service (TIS) after the effective date of the AD (November 28, 1997), or upon the accumulation of 5,000 hours TIS, whichever is later
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Britten-Norman Ltd. BN-2A, BN-2B, and BN-2T series airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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