Enstrom F-28 Series Helicopters
Enstrom F-28 Series Helicopters
Enstrom F-28 Series Helicopters
| AD/ENST 28/1 Amdt 6 | Retirement Life - Critical Components | 3/2016 |
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| Applicability: | All F-28, F-28A, 280, F-28C, F-28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, TH-28, 480 and 480B model helicopters. |
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| Requirement: | 1. Review the latest revision of ENSTROM Federal Aviation Agency (FAA) Type Certificate Data Sheet (TCDS) No. H1CE Service Life Limit - Hours, including the applicable Notes, Service Life Limit Tables, and Mandatory Inspection requirements.2. Retire from service all affected components. |
| Compliance: | The actions in Requirements 1 and 2 must be taken as follows:1. Initially within 50 hours’ time in service from the effective date of this AD, and thereafter:(a) at each 100-hour inspection; or(b) every 12 months,whichever occurs earlier.2. Before exceeding the component designated Service Life Limit or Mandatory Inspection requirements.Note: Maintenance certification for accomplishing this Airworthiness Directive must include a reference to the FAA TCDS H1CE Revision Number used for the review required under Requirement 1. |
| The effective date of this AD is 29 January 2016. | |
| Background: | This AD Amendment 6 has been issued to ensure that the version of the Enstrom TCDS, as current, is reviewed, in conjunction with applicable ADs, to identify fatigue critical components before they exceed their designated service life.AD Amendment 5, effective 18 March 2004, was issued to update the requirement document revision status. There was no change to the requirements. The compliance remained unchanged, but the wording was clarified. |
| AD Amendment 4, effective 8 August 1991, was issued to update the mandatory retirement lives and to call up FAA and manufacturers documentation where possible.Amendment 3 of this Airworthiness Directive became effective on 31 October 1982. |
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Pieter van Dijk
Delegate of the Civil Aviation Safety Authority
22 January 2016