AD 69-13-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-27 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Britten-Norman Model BN-2 and BN-2A Aircraft |
Unsafe Condition
Fuel line P/N NB-57-439 installed between the engine driven fuel pump and the carburetor may exhibit evidence of leakage in the engine compartment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fuel line P/N NB-57-439 before the next flight and each subsequent flight per Britten-Norman Ltd. Service Bulletin BN-2/SB.11 Issue 2 or equivalent. Replace with serviceable P/N NB-57-439 or Dunlop P/N 6/W2/121/51/51/24.0 or 15.5 if leakage is found. Discontinue inspections after installing approved Dunlop parts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before the next flight and before each subsequent flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
B-N Group Ltd. Model BN-2 and BN-2A aircraft with fuel line P/N NB-57-439 installed between the engine driven fuel pump and the carburetor.
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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