Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft
Cirrus SR20 · Maintenance Manual
Overview
This document is an Aviation Maintenance Alert specifically addressing safety concerns related to the Cirrus SR20 and SR22 aircraft. It highlights an incident that occurred on May 27, 2018, where a Cirrus SR20 crashed shortly after takeoff due to a loss of roll control. The alert emphasizes the importance of visual inspections for critical components, particularly the safety wire on the aileron actuation arm. The document serves as a reminder for pilots and maintenance personnel to ensure that all safety measures are in place before flight. It also mentions upcoming updates to the preflight inspection guidelines and maintenance manuals to reinforce these safety practices.
- Verify the presence of safety wire on the aileron actuation bolt during preflight inspections.
- The left aileron actuation arm and attach bolt must be present to maintain roll control.
- Cirrus will update preflight inspection guidelines to emphasize safety wiring requirements.
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Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at www.faasafety.gov. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Maintenance Manual
- Year ·
- 2018
- Pages ·
- 2
- File size ·
- 201 KB
- Copy found at ·
- www.faasafety.gov
What is the Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft?
The Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft is a maintenance manual for the Cirrus SR20, dated 2018.
How many pages is the Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft?
The copy of the Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft on file runs 2 pages.
What year was the Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft published?
The Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft — the Cirrus SR20 maintenance manual on file — is dated 2018.
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In this document
Incident Overview
The document describes an accident involving a Cirrus SR20 that occurred shortly after takeoff, where the pilot lost roll control. The investigation revealed that the left aileron actuation arm and attach bolt were missing, which contributed to the loss of control.
Recommendations for Operators
Operators are advised to visually verify the presence of the required safety wire on the aileron actuation bolt during preflight inspections. If the safety wire is missing, it is crucial to have a qualified maintenance provider address the issue before further flight.
Updates to Maintenance Practices
Cirrus Aircraft plans to update their recommended pilot preflight walk-around procedures and maintenance manuals to emphasize the importance of proper safety wiring of associated hardware, particularly in the aileron area.
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Safety notes
- Missing safety wire on the aileron actuation bolt can lead to loss of control during flight.
- Immediate corrective action is required if safety wire is not present.
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Full document text
Aviation Maintenance Alert - Cirrus SR20 and SR22 Aircraft. This Alert results from an accident that occurred on May 27, 2018 in Houston, Texas where a SR-20 airplane crashed shortly after takeoff. The pilot report that he could not maintain roll control of the airplane immediately after takeoff. The airplane began to roll to the left. The pilot was able to counteract with right aileron input initially, but the airplane continued to roll to the left. The pilot continued to use right aileron and trim, lowered the nose, and executed a straight-in forced landing just beyond the departure end of the runway. Examination of the airplane after the accident revealed that the left aileron actuation arm and attach bolt were missing with no associated impact damage. Further investigation indicated that the safety wire was missing from the actuation bolt, indicated by the red arrow below. Recommendations As the bolt is readily visible during a walk around inspection, we recommend that all owners and operators visually verify the presence of the required safety wire before further flight. (See the illustration photo) If safety wire is not present, have a qualified maintence provider correct the situation before further flight. In addition, Cirrus aircraft will be updating their recommended pilot preflight walk around to better define the examination of the Aileron area and the Maintence Manuals to emphasize the requirement of proper safety wiring of associated hardware. We recommended that all operators adopt the new manual practices and revisions.