AD 98-16-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-27 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Pilatus Britten-Norman Ltd. BN-2, BN-2A, BN-2B, and BN-2T Series Airplanes |
Unsafe Condition
The bolts that attach the lower fitting of the main landing gear (MLG) to the nacelle may become threadbound, which could result in structural failure of the MLG with consequent loss of control of the airplane during takeoff, taxi, or landing operations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the attachment bolts, nuts, and washers of the lower fitting of the main landing gear (MLG) in accordance with Pilatus Britten-Norman Service Bulletin No. BN2/SB.231, Issue 2, dated October 1, 1997. Adjust the torque values of the nuts as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Required within the next 50 landings after the effective date of this AD, unless already accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Britten-Norman Ltd. Models BN-2, BN-2A, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-2, BN-2A-9, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2B-20, BN-2B-21, BN-2B-26, BN-2B-27, and BN-2T airplanes, all serial numbers.
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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