Airworthiness directives › 2016-06-01
AD 2016-06-01 Airworthiness Directives; B-N Group Ltd. Airplanes
Applicability*9
This AD applies to B-N Group Ltd. Models BN-2, BN-2A, BN-2A-2, BN-2A-3, BN-2A-6, BN-2A-8, 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, BN2A MK. III, BN2A MK. III-2, BN2A MK. III-3 BN2A, BN2B, and BN2A MKIII, BN2A, BN2B, and BN2A MKIII (all models on TCDS A17EU and A29EU) airplanes, all serial numbers, certificated in any category.
Compliance
Unless already done, do the following actions in paragraphs (f)(1) through (f)(4) of this AD: (1) For airplanes equipped with pitot/static pressure head part number (P/N) DU130-24: Within 50 hours time-in-service (TIS) after April 19, 2016 (the effective date of this AD) and repetitively thereafter at intervals not to exceed 50 hours TIS, inspect the pitot/static pressure head for cracks and/or separation and perform a leak test following the procedures in the action section of Britten-Norman Service Bulletin SB 310, Issue 4, dated September 25, 2015. (2) For airplanes equipped with pitot/static pressure head part number (P/N) DU130-24: If, during an inspection or test required in paragraph (f)(1) of this AD discrepancies are found, before further flight, replace the pitot/static pressure head with an airworthy part. (3) For airplanes equipped with pitot/static pressure head part number (P/N) DU130-24: Corrections performed on airplanes as required in paragraph (f)(2) of this AD do not constitute terminating action for the repetitive actions required in paragraph (f)(1) of this AD. (4) For airplanes not equipped with a pitot/static pressure head P/N DU130-24 on the effective date of this AD: After April 19, 2016 (the effective date of this AD), do not install a pitot/static pressure head P/N DU130-24.
Required actions
The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Raymond Johnston, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4159; fax: (816) 329-3047; email: raymond.johnston@faa.gov . Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as cracks in the inner shell of certain pitot/static pressure heads. We are issuing this AD to correct cracks of the inner shell of certain pitot/static pressure heads for cracks; which could lead to incorrect readings on the pressure instrumentation, e.g. altimeters, vertical speed indicators (rate-of-climb) and airspeed indicators and possibly result in reduced control of the airplane.
Affected ADs
This AD supersedes AD 2007-06-06, Amendment 39-14987 (72 FR 12557; March 16, 2007).
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