Airworthiness directives › 2020-02-23
AD 2020-02-23 Airworthiness Directives; Airbus Helicopters
Models named: AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the helicopters identified in paragraphs (c)(1) and (2) of this AD, certificated in any category. (1) Airbus Helicopters Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, and AS350D1 helicopters, modified by supplemental type certificate (STC) SR00470LA. (2) Airbus Helicopters Model AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters, modified by STC SR00645LA.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 100 hours time-in-service (TIS) or 30 days, whichever occurs first after the effective date of this AD, and thereafter at intervals not to exceed six months, inspect the installation of the pull cables on the emergency float kit and readjust the cable rigging if improperly installed, in accordance with the Accomplishment Instructions, sections 1.0 through 1.4, of DART Aerospace Service Bulletin No. SB-2018-07, Revision D, dated November 25, 2019 (“SB-2018-07, Revision D”), except if the pull cable installation does not pass the test in section 1.3 after re-adjusting the cable rigging, you must comply with either paragraph (g)(1) or (2) of this AD before further flight: (1) Repair the pull cable installation. (2) Deactivate and placard the emergency float system as inoperative in accordance with the Accomplishment Instructions, section 3.0, of SB-2018-07, Revision D. If the emergency float system has been deactivated and placarded as inoperative, you are not required to repeat the inspection specified in the introductory text of paragraph (g) of this AD. Note 1 to paragraph (g)(2) of this AD: This AD does not allow operation with an inoperative emergency float system unless the requirements of 14 CFR 91.213 have been met.
Unsafe condition
This AD was prompted by reports of difficulty pulling the emergency float kit float activation handle installed on the pilot cyclic. The FAA is issuing this AD to address improperly installed pull cables, which can lead to difficulty deploying the float system from the float activation handle installed on the pilot cyclic, and could result in loss of the left- or right-hand float, causing the helicopter to roll to one side but remain buoyant, or loss of both floats causing the helicopter to capsize underwater.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1