SCHEDULE OF AIRWORTHINESS DIRECTIVES
CESSNA A185E · Service Bulletins
Overview
This document is a Service Bulletin issued by the Civil Aviation Safety Authority of Australia, specifically addressing airworthiness directives for the Cessna 185 series aircraft. It includes models 185, 185A, 185B, 185C, 185D, 185E, A185E, and A185F. The directive focuses on the inspection and potential installation of an angle stiffener on the lower spar cap of the wings for aircraft that have undergone specific modifications. The compliance timeline is set for within 50 hours of service after the directive's effective date. The bulletin aims to prevent wing failure during flight, which could lead to loss of control of the aircraft.
- Inspect the wings for an angle stiffener between WS 90 and WS 110.
- Install a stainless steel reinforcement strap at WS 100.50 if the stiffener is missing.
- Compliance is required within 50 hours after 5 November 1998.
- The directive applies to Cessna 185 series aircraft with specific STC or STA.
- The actions are intended to prevent wing failure and loss of control.
Document
Source
Originally published by services.casa.gov.au. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 1998
- Pages ·
- 1
- File size ·
- 11 KB
- Publisher ·
- services.casa.gov.au
What is the SCHEDULE OF AIRWORTHINESS DIRECTIVES?
The SCHEDULE OF AIRWORTHINESS DIRECTIVES is a service bulletins for the CESSNA A185E, dated 1998.
How many pages is the SCHEDULE OF AIRWORTHINESS DIRECTIVES?
The copy of the SCHEDULE OF AIRWORTHINESS DIRECTIVES on file runs 1 pages.
Where does the SCHEDULE OF AIRWORTHINESS DIRECTIVES come from?
This copy of the SCHEDULE OF AIRWORTHINESS DIRECTIVES was originally published by services.casa.gov.au and is hosted on Sprinkle as a free, searchable reference copy.
What year was the SCHEDULE OF AIRWORTHINESS DIRECTIVES published?
The SCHEDULE OF AIRWORTHINESS DIRECTIVES — the CESSNA A185E service bulletins on file — is dated 1998.
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- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Applicability
The directive applies to all serial numbers of the Cessna 185 series aircraft that have incorporated the wing extension supplemental type certificate (STC) SA00276NY or supplemental type approval (STA) SA93-136.
Requirement
The directive requires an inspection of the wings for an angle stiffener along the lower spar cap between Wing Station (WS) 90 and WS 110. If the stiffener is not installed, a stainless steel reinforcement strap must be added along the spar at WS 100.50 before further flight.
Compliance
Compliance with the directive is required within 50 hours of time in service after the effective date of 5 November 1998.
Background
The background section explains that test results indicated that the wings of affected Cessna aircraft without the angle stiffener do not meet design requirements after modifications. This directive aims to prevent potential wing failure.
Safety notes
- Failure to comply with the directive may result in wing failure during flight.
- Ensure inspections and installations are performed as specified to maintain airworthiness.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 185 Series Aeroplanes AD/CESSNA 185/45 Wing Lower Spar Cap Angle Stiffener 12/98 Applicability: The following aircraft models, all serial numbers, that have wing extension supplemental type certificate (STC) SA00276NY or supplemental type approval (STA) SA93-136 incorporated. Models 185, 185A, 185B, 185C, 185D, 185E, A185E, and A185F. Note: The STA is the Canadian version of the U.S. STC. Requirement: 1. Inspect inside the left and right wings, aft of the spar, closest to where the strut connects to the wing, for an angle stiffener along the lower spar cap between Wing Station (WS) 90 and WS 110, in accordance with Part A of the Accomplishment Instructions of Air Research Technology Inc. (ART) Service Bulletin No. SB-1-96, Issue 1, dated 11 April 1996. 2. If an angle stiffener is not installed, before further flight, install a stainless steel reinforcement strap on the underside of each wing, along the spar at WS 100.50 in accordance with Part B of the Accomplishment Instructions of ART Service Bulletin No. SB-1-96, Issue 1. Note: FAA AD 98-16-04 Amdt 39-10679 refers. Compliance: Unless already accomplished, within 50 hours time in service after 5 November 1998. This Airworthiness Directive becomes effective on 5 November 1998. Background: Test results have revealed that the wings of affected Cessna aircraft, without the angle stiffener, do not meet the applicable design requirements after being modified by above referenced STC or STA. The actions specified by this Directive are intended to prevent wing failure during flight caused by the absence of an angle stiffener, which could cause loss of control of the aircraft.