AIRWORTHINESS DIRECTIVE AD/PA-24/44 Amdt 1
Piper PA-24 Comanche 260 · Service Bulletins
Overview
This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) of Australia, specifically addressing safety concerns related to the Piper PA-24 Comanche series aircraft. The directive focuses on the main landing gear side brace studs, which have been reported to crack, leading to incidents of main landing gear collapse. The AD mandates inspections and potential replacements of these studs to ensure the safety and airworthiness of the affected aircraft models. Compliance with the directive is required within specified timeframes to mitigate the risk of accidents during landing operations.
- Inspect main gear side brace studs for cracks using fluorescent penetrant or magnetic particle methods.
- Compliance required within 100 hours of service after January 4, 1996, and at intervals not exceeding 1,000 hours.
- Affected models include PA24, PA24-250, PA-24-260, and PA24-400.
- Replace any cracked side brace studs with approved serviceable parts as per maintenance manual instructions.
- The directive was updated on September 5, 2002, following FAA AD 97-01-01 R1.
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
- 2002
- Pages
- 2
- File size
- 167 KB
- Publisher
- services.casa.gov.au
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In this document
Applicability
The directive applies to the Piper PA-24 series aircraft, specifically models PA24, PA24-250, PA-24-260, and PA24-400. It outlines the need for inspections and actions to be taken on these aircraft to address safety concerns.
Requirement
Operators are required to remove both left and right main gear side brace studs and inspect them for cracks using fluorescent penetrant or magnetic particle inspection methods. The directive provides specific instructions on how to perform these inspections.
Compliance
The compliance timeframe for the required actions is within the next 100 hours of time in service after January 4, 1996, and subsequently at intervals not exceeding 1,000 hours of time in service.
Background
The directive was issued following reports of main gear side brace stud cracks, which have led to incidents of landing gear collapse. The actions specified are intended to prevent such occurrences and ensure the safety of the aircraft during landing.
Safety notes
- Failure to comply with this directive may result in main landing gear collapse and loss of control during landing operations.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Page 1 of 2 AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/PA-24/44 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. Piper PA-24 (Comanche) Series Aeroplanes AD/PA-24/44 Amdt 1 Main Landing Gear Side Brace Stud 9/2002 Applicability: Models PA24, PA24-250, PA-24-260, and PA24-400 aircraft. Requirement: Remove both the left and right main gear side brace studs from the aircraft in accordance with the instructions contained in the Landing Gear section of the maintenance manual, and inspect each main gear side brace stud for cracks using fluorescent penetrant or magnetic particle inspection methods. Figure 1 of this Directive depicts the area where the sidebrace stud is to be inspected. COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Page 2 of 2 Piper PA-24 (Comanche) Series Aeroplanes AD/PA-24/44 Amdt 1 (continued) This figure is provided to depict the area of the sidebrace stud to be inspected. This is not intended to represent the configuration of all models affected. Note 1: All affected Models PA24 and PA24-250 aircraft were equipped at manufacture with part number 20829-00 main gear side brace studs. All affected Models PA24-260 and PA24-400 aircraft were equipped at manufacture with part number 22512-00 main gear side brace studs. For any main gear side brace stud found cracked, replace the cracked stud with an approved serviceable part in accordance with the instructions contained in the Landing Gear section of the applicable maintenance manual. Note 2: FAA AD 97-01-01 R1 Amdt 39-10864 refers. Compliance: Within the next 100 hours time in service after 4 January 1996, and thereafter at intervals not to exceed 1,000 hours time in service. The original compliance times of this Airworthiness Directive are unchanged by this amendme nt. This amendment becomes effective on 5 September 2002. Background: The FAA received reports of main gear side brace stud cracks, including seven incidents where the main landing gear collapsed. The actions specified by this Directive are intended to prevent a main gear collapse caused by main gear side brace stud cracks, which could result in loss of control of the aircraft during landing operations. Amendment 1 updates the FAA AD reference. The original issue of this Airworthiness Directive became effective on 4 January 1996. David Alan Villiers Delegate of the Civil Aviation Safety Authority 23 July 2002 The above AD is notified in the Commonwealth of Australia Gazette on 14 August 2002.