AD 87-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN2A MK. III | Airworthiness Directives; Pilatus Model BN-2A Mk III, BN-2A Mk III-1, BN-2A Mk 111-2, and BN-2A Mk 111-3 Series Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III-2 | Airworthiness Directives; Pilatus Model BN-2A Mk III, BN-2A Mk III-1, BN-2A Mk 111-2, and BN-2A Mk 111-3 Series Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III-3 | Airworthiness Directives; Pilatus Model BN-2A Mk III, BN-2A Mk III-1, BN-2A Mk 111-2, and BN-2A Mk 111-3 Series Airplanes |
Unsafe Condition
Structural failure of the elevator trim tab operating rods due to corrosion, rust, or cracks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and disassemble elevator trim tab operating rod assemblies, visually examine for corrosion, rust, or cracks. Replace defective control rods and fittings, clean and apply corrosion protection, reassemble and reinstall per MSB BN-2/SB.179. Inspect ball ends, fork fittings, and sleeves for pitting, discoloration, or cracks; replace defective parts and inspect associated control rod ends. Use equivalent means of compliance if approved by FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of this AD, unless already accomplished, and every 24 calendar months thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Model BN-2A Mk III, BN-2A Mk III-1, BN-2A Mk 111-2, and BN-2A Mk 111-3 (all serial numbers) Trislander 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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