SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft B36TC Bonanza · Airworthiness Directives
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 Beechcraft 36 series of aircraft, including the B36TC model. The directive outlines necessary actions to correct unsafe conditions identified with the flap flex shaft assembly. It mandates inspections and potential replacements of specific components based on their manufacture dates. The AD is effective from January 30, 2002, and compliance is required within specified flight hours. This document is crucial for maintaining the airworthiness of the affected aircraft models and ensuring pilot safety.
- The AD applies to Beechcraft Model 36, A36, A36TC, and B36TC aircraft.
- Inspect flap flex shafts and actuators if replaced since March 1, 2000.
- Flex shafts manufactured between January 2000 and April 2001 require replacement if identified.
- Compliance is required within 25 flight hours for record review and inspection.
- The directive is effective from January 30, 2002.
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
- 2002
- Pages
- 2
- File size
- 17 KB
- Publisher
- services.casa.gov.au
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- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Applicability
The Airworthiness Directive applies to all Beechcraft Model 36, A36, A36TC, and B36TC aircraft, regardless of serial number.
Requirements
The directive outlines three main requirements: 1) Review aircraft records to check if the LH or RH flap flex shaft or flap actuator has been replaced since March 1, 2000. If not, no further action is needed. 2) If replacements have occurred, inspect the identification label for the manufacture date of the flap flex shaft assemblies according to Raytheon Service Bulletin 27-3478. 3) Replace any flap flex shafts manufactured between January 2000 and April 2001.
Compliance
Compliance with the directive is required within specific time frames: 1) Review records within 25 flight hours from the effective date. 2) Inspect components within 25 flight hours from the effective date. 3) Replace affected flap flex shafts before further flight.
Background
The directive was issued due to reports of flap flex shaft separations leading to asymmetric flap conditions, attributed to improper heat treatment of the shafts manufactured during a specific time frame.
Safety notes
- Improper heat treatment of flap flex shafts can lead to separation and unsafe flight conditions.
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 issues the following Airworthiness Directive (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. Beechcraft 36 (Bonanza) Series Aeroplanes AD/BEECH 36/50 Flap Flex Shaft Assembly 3/2002 DM Applicability: Beechcraft Model 36, A36, A36TC and B36TC aircraft, all serial numbers. Requirement: 1. Review the aircraft records to determine if either the LH or the RH flap flex shaft, or the flap actuator has been replaced since 1 March 2000. If these components have not been replaced since 1 March 2000, no further action is required. Make an appropriate certification in the aircraft log book. 2. If either a LH or RH flap flex shaft, or a flap actuator has been replaced since 1 March 2000, inspect the identification label for manufacture date of the flap flex shaft assemblies in accordance with Raytheon Service Bulletin 27-3478. Flex shafts manufactured before January 2000 and after April 2001 do not require replacement. 3. Replace flap flex shafts that were manufactured between January 2000 through April 2001. Note: FAA AD 2001-23-10 refers. Note 2: Beech A36 aircraft, S/Nos E-3302 through E-3398, and Beech B36TC, S/Nos EA-652 through EA-677, may have had a discrepant flap flex shaft installed during production. These aircraft are identified in FAA AD 2001-23-10 as Group 1 aircraft. No Group 1 aircraft are currently on the Australian register. In the event such aircraft are imported into Australia, the requirements of this AD will be addressed during C of A issue Compliance: 1. Within 25 flight hours from the effective date of this Airworthiness Directive. 2. Within 25 flight hours from the effective date of this Airworthiness Directive. 3. Before further flight. This Airworthiness Directive becomes effective on 30 January 2002. COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Page 2 of 2 Beechcraft 36 (Bonanza) Series Aeroplanes AD/BEECH 36/50 (continued) Background: The manufacturer has advised there have been a number of flap flex shaft separations leading to flap asymmetric situations. These flap flex shaft failures have been attributed to improper heat treatment. Flex shafts manufactured between January 2000 and April 2001 are affected. Gary John Carr Delegate of the Civil Aviation Safety Authority 23 January 2002 The above AD is notified in the Commonwealth of Australia Gazette on 30 January 2002.