AD 78-11-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-27 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-9 | Airworthiness Directives; Britten Norman Models BN-2A Islander and BN-2A Mark III Trislander Series Airplanes |
Unsafe Condition
Electrolytic corrosion of the elevator and flap control rods at bonding clip attachment points could lead to control rod failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect elevator and flap control rods at bonding clip attachment points within 2 weeks after AD effective date and every 6 months. Replace control rods with same part number if corrosion is found, or clean until metal is free of corrosion. If cleaning reduces rod diameter over 0.010 in., replace the control rod. Discontinue inspections after replacing untreated bonding clips with light alloy or cadmium coated clips per Modification NB/M/929.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 2 weeks after the effective date of this AD, and thereafter at intervals not to exceed 6 months
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
B-N Group Ltd. Models BN-2A Islander and BN-2A Mark III Trislander series airplanes not modified per Britten-Norman Modification NB/M/929.
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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