Airworthiness directives › 2019-10-51
AD 2019-10-51 Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Models named: MBB-BK 117 C-2. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Helicopters Deutschland GmbH Model MBB-BK 117 C-2 helicopters, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For helicopters with serial numbers 9069, 9185, 9255, 9377, 9389, 9403, 9411, 9457, 9529, or 9637, before further flight: (i) Remove the recessed medical wall rack in accordance with Part 1, paragraphs 4.1. through 4.3., of Air Methods Alert Service Bulletin ASB19-03, Revision IR, dated May 6, 2019 (ASB). (ii) Inspect the fuselage frame box beam structure for cracks and loose rivets at station 4135 in accordance with Part 2, paragraphs 5.1 through 5.4., of the ASB, except you are not required to contact Air Methods for disposition if cracks are found. Instead, if there is a crack, repair using a method approved by the Manager, Denver ACO Branch, Compliance & Airworthiness Division, FAA, 26805 East 68th Ave., Room 214, Denver, CO 80249; telephone (303) 342-1081; email: 9 Denver-Aircraft-Cert@faa.gov. Replace any loose rivets. (iii) If there are no cracks, reinstall the inboard web of the box beam and the cabin interior panels in accordance with Part 2, paragraphs 5.5. and 5.6. of the ASB. Do not reinstall the recessed medical wall rack. (2) For helicopters with serial numbers 9069, 9185, 9255, 9377, 9389, 9403, 9411, 9457, 9529, or 9637, within 10 hours time-in-service (TIS) after the required inspections, provide the inspection results, photographs of inspected areas, total helicopter hours TIS since installation of Supplemental Type Certificate (STC) SR00592DE, and helicopter serial number to the attention of the person identified in paragraph (j) of this AD. This information is required even if there are no cracks. (3) For all helicopters, after the effective date of this AD, do not install on any helicopter recessed medical wall assembly part number (P/N) 778-1400-001, wall mount fittings P/N 900-9959-001, aft medical wall doubler P/N 900-9989, and medical wall long doubler P/N 900-6021 at stations 4135 and 4963.19 as part of STC SR00592DE.
Unsafe condition
This AD was prompted by reports of fatigue cracks in a fuselage frame. The FAA is issuing this AD to correct the unsafe condition on these helicopters.
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