Bell Helicopter Textron 214B and 214B-1
Bell Helicopter Textron 214B and 214B-1 Series Helicopters
Bell Helicopter Textron 214B and 214B-1 Series Helicopters
| AD/BELL 214/7 | Collective Sleeve | 13/2018 |
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| Applicability: | Bell Helicopter Textron Model 214B helicopters that have collective sleeve part number 214-010-411-001 or -003 with serial number A19-00001 through A19-00738 or serial number A-1 through A-10 installed. |
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| Requirement: | Perform a magnetic particle inspection of the affected collective sleeves using the procedures described in Bell Helicopter Textron Alert Service Bulletin 214‑84‑26, dated 12 March 1984, as in force at the commencement of this AD.If cracks are found in a collective sleeve during the Requirement 1 inspection, replace the collective sleeve with serviceable parts.Note 1: It is essential that the paint and primer be removed as described in the service bulletin prior to performing the magnetic particle inspection.Note 2: FAA AD 85-23-05 refers. |
| Compliance: | 1. a. Unless previously accomplished, before further flight after the commencement date of this directive, andb. Thereafter, at intervals not to exceed 250 hours time in service.2. Before further flight. |
| This AD commences on 10 July 2018. | |
| Background: | This AD requires an immediate and repetitive magnetic particle inspection of the collective sleeve for cracks. Undetected cracks could propagate, resulting in failure of the collective sleeve and loss of collective control of the helicopter main rotor. |
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Pieter van Dijk
Delegate of the Civil Aviation Safety Authority
27 June 2018