COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Fairchild (Swearingen) SA226 and SA227 Series Aeroplanes
AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/SWSA226/85 and issues the following AD under subregulation 39.1 (1) of CAR 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.
AD/SWSA226/85
Amdt 1
Flight Envelope Restriction 4/2000 DM
Applicability: All Fairchild SA226 and Fairchild SA227 aircraft fitted with Barber-Colman Pitch Trim Actuator Part Number 27-19008-001/-004 or Part Number 27-19008-002/-005.
Note: This includes all Barber-Colman Pitch Trim actuators identified above, irrespective of whether the maintenance actions on those actuators listed in AD/SWSA226/68 Amdt 3 have been carried out.
Requirement: Revise the Aircraft Flight Manual (AFM) by incorporating the following restrictions into the Limitations Section:
- The Maximum Indicated Airspeed is reduced to the published Va (Manoeuvring Indicated Airspeed) for the aircraft.
b. The minimum flight crew requirement for all affected aircraft is two pilots. This may be accomplished by inserting a copy of this Directive into the AFM.
This Directive may be actioned and signed by a pilot having at least a private pilots licence. The content of this Directive is to bring it to the attention of all pilots of affected aircraft.
Note: FAA AD 98-19-15R1 refers.
Compliance: Before further flight after 14 September 1998; or in the case of aircraft with actuators P/Nos 27-19008-004 and/or -005 installed, before further flight after 23 February 2000.
Installation of Simmonds-Precision Actuators Part Numbers DL5040M5, DL5040M6, or DL5040M8; or Barber Coleman actuators Part Numbers 27-19008-006 or27- 19008-007; as appropriate to the aircraft model, constitutes terminating action for this AD.
This Amendment becomes effective on 23 February 2000.
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Background: The FAA has reported two incidents where the actuators failed in flight and caused severe nose pitch up and extreme control forces. The FAA has also advised that Fairchild are issuing service bulletins reflecting the FAA AD requirements, pending development of a mechanical solution to the problem.
Amendment 1 calls out additional actuators in the Applicability and also provides a greater range of terminating options.
The original issue of this Airworthiness Directive became effective on 14 September 1998.
Eugene Paul Holzapfel
Delegate of the Civil Aviation Safety Authority 17 February 2000
The above AD is notified in the Commonwealth of Australia Gazette on 23 February 2000.