Airworthiness directives › 2014-12-51
AD 2014-12-51 Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)
Applicability*9
This AD becomes effective August 20, 2014 to all persons except those persons to whom it was made immediately effective by Emergency AD 2014-12-51, issued on June 10, 2014, which contained the requirements of this AD.
Compliance
Special flight permits are prohibited.
Required actions
(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Robert Grant, Aviation Safety Engineer, Safety Management Group, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5110; email robert.grant@faa.gov . (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC.
Unsafe condition
(1) Within 10 hours TIS, remove the horizontal stabilizer, clean the junction frame, and dye-penetrant inspect around the circumference of the junction frame for a crack in the areas shown in Figure 1 of Airbus Helicopters EC130 Emergency Alert Service Bulletin No. 05A017, Revision 0, dated June 6, 2014 (EASB 05A017). Pay particular attention to the area around the 4 spars (item b) of Figure 1 of EASB 05A017. An example of a crack is shown in Figure 3 of EASB 05A017. (2) Within 25 hours TIS of the inspection required by paragraph (e)(1) of this AD, and thereafter at intervals not exceeding 25 hours TIS, either perform the actions of paragraph (e)(1) of this AD or, if the area is clean, using a borescope, inspect around the circumference of the junction frame for a crack in the areas shown in Figure 2 of EASB 05A017. Pay particular attention to the area around the 4 spars (item b) of Figure 2 of EASB 05A017. An example of a crack is shown in Figure 3 of EASB 05A017. (3) If there is a crack, before further flight, replace the junction frame.
Affected ADs
This AD defines the unsafe condition as a crack in the tailboom to Fenestron junction frame (junction frame). This condition could result in failure of the junction frame, which could result in loss of the Fenestron 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