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AIRWORTHINESS BULLETIN AWB 32-015 Issue : 2 Cracking in Nose Landing Gear upper strut sections of Cirrus SR20 and SR22 aircraft

Cirrus SR22T G6 · Service Bulletins

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Overview

This Airworthiness Bulletin (AWB) addresses the issue of cracking found in the nose landing gear upper strut sections of Cirrus SR20 and SR22 aircraft. Issued on November 24, 2009, it highlights the importance of inspections and maintenance to ensure the safety and airworthiness of these aircraft models. The bulletin provides specific recommendations for operators and maintainers, emphasizing the need for detailed inspections and adherence to Cirrus Mandatory Service Bulletins related to the identified issue. The document serves as a critical communication tool for ensuring that operators are aware of potential safety concerns and the necessary actions to mitigate risks associated with the nose landing gear.

  • Cracking has been reported in the nose landing gear upper strut sections of Cirrus SR20 and SR22 aircraft.
  • Operators must inspect the fillet weld area between the upper gusset plate and attach point arms.
  • SR20 inspections should follow Service Bulletin 2X-32-18 R4; SR22 inspections should follow 2X-32-19.
  • Continued inspections are required at intervals specified in the service bulletins.
  • All cracking instances must be reported to Cirrus and CASA.

Document

Source

Originally published by www.casa.gov.au. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
Service Bulletins
Year
2009
Pages
2
File size
70 KB
Publisher
www.casa.gov.au
Documentation completeness
6/7

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In this document

Applicability

This bulletin applies to Cirrus Design SR20 and SR22 series aircraft.

Purpose

The purpose of this AWB is to inform operators and maintainers about reports of cracking in the nose landing gear strut upper sections of both SR20 and SR22 aircraft.

Recommendation for SR20 Aircraft

Operators of SR20 aircraft are advised to conduct detailed inspections of the area around the fillet weld between the upper gusset plate and attach point arms, following the guidelines in Cirrus Mandatory Service Bulletin 2X-32-18 R4.

Recommendation for SR22 Aircraft

Operators of SR22 aircraft should perform similar inspections as outlined in Cirrus Mandatory Service Bulletin 2X-32-19 and reinforce the gear as per Cirrus approved repair item F.

Reporting

All instances of cracking should be reported to Cirrus and CASA through the Service Difficulty Reporting (SDR) System.

Safety notes

  • Operators should ensure compliance with the recommended inspections to maintain safety.
  • Failure to inspect could lead to further structural issues with the nose landing gear.

Full document text

AIRWORTHINESS BULLETIN AWB 32-015 Issue : 2 Cracking in Nose Landing Gear upper strut sections of Cirrus SR20 and SR22 aircraft Date : 24 November 2009 Page 1 of 2 1. Applicability Cirrus Design, SR20 and SR22 series aircraft. 2. Purpose The purpose of this AWB is to bring to the attention of operators and maintainers that there have been numerous reports of cracking found in Nose Landing Gear strut upper sections of both CIRRUS SR20 and SR22 aircraft. 3. Background Recent defect reports have indicated that cracking has occurred around the Nose Landing Gear upper support gusset and strut attachment welds. Cirrus Mandatory Service Bulletins 2X-32-18 R4 & 2X-32-19 address the cracking on SR20 & SR22 aircraft respectively. Additionally, FAA SAIB CE-09-46 now refers to the condition. 4. Recommendation CASA recommends that all operators of CIRRUS SR20 aircraft: • Carry out a detailed inspection of the area around the fillet weld between the upper gusset plate and attach point arms in accordance with Cirrus Mandatory Service Bulletin 2X-32-18 R4 or later revision and instructions for inspection in Cirrus AMM Chapter 32-20. • Continue to inspect at intervals determined in the service bulletin or replace gear with a Cirrus improved NLG strut when available. AIRWORTHINESS BULLETIN AWB 32-015 Issue : 2 Cracking in Nose Landing Gear upper strut sections of Cirrus SR20 and SR22 aircraft Date : 24 November 2009 Page 2 of 2 It is recommended that all operators of CIRRUS SR22 aircraft: • Carry out a detailed inspection of the area around the fillet weld between the upper gusset plate and attach point arms in accordance with Cirrus Mandatory Service Bulletin 2X-32-19 or later revision and temporary instructions for inspection in Cirrus AMM Chapter 32-20-02 • Continue to inspect at intervals determined in the service bulletin and reinforce gear in accordance with Cirrus approved repair item F. Report all instances of cracking to Cirrus and to CASA through the Service Difficulty Reporting (SDR) System. 5. Enquiries Enquiries with regard to the content of this Airworthiness Bulletin should be made via the direct link e-mail address: AirworthinessBulletin@casa.gov.au Or in writing, to: Airworthiness Engineering Branch Civil Aviation Safety Authority GPO Box 2005, Canberra, ACT, 2601 Inspect for Cracking in Nose Landing Gear upper attach point welds