SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 35 Bonanza · Airworthiness Directives
Overview
This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) of Australia, specifically addressing the Beechcraft 35 Bonanza series aircraft. The directive outlines necessary actions to correct an unsafe condition related to the landing gear up-lock mechanism. It is applicable to various models within the Beechcraft 35 series, including A35, B35, C35, and others, with serial numbers D-1 through D-9287. The directive mandates inspections and potential replacements of components to prevent gear-up landings due to the seizure of up-lock rollers. Compliance with the directive is required within specified timeframes to ensure safety and airworthiness.
- The AD applies to Beechcraft 35 series aircraft with serial numbers D-1 to D-9287.
- Inspect up-lock rollers to determine if they are greasible within 100 hours TIS after the AD's effective date.
- Replace any non-greasible up-lock rollers before further flight.
- Install hollow zerk-ended mounting bolts on the up-lock rollers as part of compliance.
- Lubricate the up-lock mechanism initially within 100 plus/minus 10 hours TIS and thereafter at intervals not exceeding 100 plus/minus 10 hours TIS.
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
- Airworthiness Directives
- Year
- 2007
- Pages
- 2
- File size
- 18 KB
- Publisher
- services.casa.gov.au
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In this document
Applicability
The Airworthiness Directive applies to Beechcraft Bonanza aircraft models 35, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35A, and V35B, specifically those with serial numbers D-1 through D-9287.
Requirement
The directive requires several actions regarding the up-lock mechanism: determining if each up-lock roller is greasible, replacing non-greasible rollers, installing hollow zerk-ended mounting bolts, and lubricating the up-lock mechanism. These steps are essential to mitigate the risk of gear-up landings.
Compliance
Compliance with the directive is required as follows: 1. Determine roller type within 100 hours TIS after the effective date. 2. Replace non-greasible rollers before further flight. 3. Install bolts and lubricate within 100 hours TIS after the effective date. 4. Initial lubrication within 100 plus/minus 10 hours TIS, with subsequent lubrication at intervals not exceeding 100 plus/minus 10 hours TIS.
Background
The directive was prompted by an incident involving a Beechcraft Model 95-B55B airplane where the up-lock rollers seized, leading to a gear-up landing. The AD aims to reduce the likelihood of such incidents by ensuring proper maintenance of the up-lock mechanism.
Safety notes
- Failure to comply with this AD may result in gear-up landings due to seizure of the up-lock rollers.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety 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 issues the following Airworthiness Directive (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. Beechcraft 35 (Bonanza) Series Aeroplanes AD/BEECH 35/72 Landing Gear Up-lock Mechanism 6/2007 Applicability: Beechcraft Bonanza aircraft models 35, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35A, and V35B serial numbers D-1 through D-9287, inclusive. Requirement: Using the information contained in Beechcraft Service Instructions (SI) No. 0448-211 at any FAA approved revision status: 1. Determine if each up-lock roller is of the greasible type (one having a drilled and grooved inner race). 2. Replace any non-greasible up-lock roller (one having a solid inner race) with the greasible type. 3. Install hollow zerk-ended mounting bolts on the up-lock rollers. 4. Lubricate the up-lock mechanism. Note: FAA 2007-08-08 Amendment 39-15025 dated 06 April 2007 refers. FAA AD 2007-08-08 supersedes FAA AD 72-22-01 Amendment 39-1544. Compliance: 1. Unless already accomplished, within 100 hours time in service (TIS) after the effective date of this AD. 2. Before further flight, after the determination required by Requirement 1 of this AD. 3. Unless already accomplished, within 100 hours TIS after the effective date of this AD. 4. Unless already accomplished, initially within 100 plus/minus 10 hours TIS, and repetitively thereafter, at intervals not to exceed 100 plus/minus 10 hours TIS. This Airworthiness Directive becomes effective on 7 June 2007. COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 35 (Bonanza) Series Aeroplanes AD/BEECH 35/72 (continued) Page 2 of 2 Background: This AD results from a recent incident involving a Beechcraft Model 95-B55B (T-42A) airplane where a seizure of the uplock rollers occurred. The Requirements of this AD are aimed at decreasing the possibility of gear-up landings caused by seizure of the up-lock rollers. David Punshon Delegate of the Civil Aviation Safety Authority 26 April 2007