Airworthiness directives › 2016-05-06
AD 2016-05-06 Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters
Applicability*9
This AD supersedes AD 2014-07-52, Amendment 39-17858 (79 FR 33054, June 10, 2014).
Compliance
(1) For helicopters with 640 or more hours time-in-service (TIS) since installation of MOD 073215 or since installation of an applicable reinforcement angle, within 10 hours TIS, and thereafter at intervals not exceeding 10 hours TIS, inspect each reinforcement angle for a crack as depicted in Figure 1 of Airbus Helicopters Emergency Alert Service Bulletin No. 05.00.70 for Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, and AS350D1 helicopters and Airbus Helicopters Emergency Alert Service Bulletin No. 05.00.62 for AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters, both Revision 0 and dated March 24, 2014. (2) If there is a crack, before further flight, repair the reinforcement angle in a manner approved by the manager listed in paragraph (h)(1) of this AD. (3) Within 165 hours TIS after the first inspection required by paragraph (f)(1) of this AD, and thereafter at intervals not exceeding 165 hours TIS, remove screw No. 5 from the reinforcement angle, thoroughly clean the area around the hole and inspect the reinforcement angle for a crack. If there is not a crack, reinstall the screw. Sequentially repeat the steps required by this paragraph for screws No. 6 through No. 12. If there is a crack, comply with paragraph (f)(2) of this AD. Accomplishment of the inspection required by this paragraph terminates the repetitive inspections required by paragraph (f)(1) of this AD.
Required actions
Special flight permits are prohibited.
Unsafe condition
You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time.
Affected ADs
This AD defines the unsafe condition as a crack in a rear structure to tailboom junction frame reinforcement angle (reinforcement angle), which if not detected could result in loss of the tail boom and subsequent loss of control of the helicopter.
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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