AD 83-10-06 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-27 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Pilatus Model BN-2, BN-2A and BN-2B Islander Series Airplanes |
Unsafe Condition
Structural failure of the elevator trim tabs due to cracks in the skins, front channel member (spar), drive ribs, loose or broken rivets, damaged or excessively worn hinges, and excessive backlash in the trim tab operating system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect elevator trim tab skins, front channel member, drive ribs for cracks using a 5x magnifying glass; inspect for loose or broken rivets, damaged or worn hinges, and trim tab operating system backlash per SB No. BN-2/SB.142. Repair defects before further flight per SB's rectification instructions. Adjust inspection intervals based on Mod NB/M/1117 installation and autopilot modifications.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours time-in-service after the effective date of this AD or within 10 hours time-in-service from the last inspection per AD 83-07-03 and thereafter at intervals not to exceed 10 hours time-in-service. Adjustments up to 10% of the interval allowed for concurrent maintenance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Model BN-2, BN-2A, and BN-2B Islander Series (all serial numbers) airplanes certificated in any category.
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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