AD/F27/103 Amdt 8 - Structural Limitations (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/F27/103 Amdt 7 and issues the following AD under subregulation 39.001(1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Fokker F27 Series Aeroplanes AD/F27/103 Amdt 8 Structural Limitations 11/2009

Applicability: All F27 Mk100 to Mk700 model aeroplanes. Requirement: 1. Inspect, modify or retire:

(a) Airframe parts as specified in Fokker Structural Integrity Program (SIP) Document 27438 Revision 14 and subsequent revisions.

(b) Main landing gear components as specified in Dowty Rotol Service Bulletin No. 32-152B, Revision 7 and subsequent revisions.

(c) Nose landing gear components as specified in Dowty Rotol Service Bulletin No. 32-154B Revision 4 and subsequent revisions.

2. Retire the airframe from service before exceeding 90,000 flights.

Load variability factors derived from Fatigue Meter and operational records may not be used in connection with the times specified in the SIP Document without the specific approval of the Authority.

In spite of the allowable crack lengths and crack propagation data which may be provided by the manufacturer, an aircraft shall not be returned to service with known unrepaired cracks without the approval of the Authority or of the operator's authorised structures design signatory.