Aviation Maintenance Alerts Template
CESSNA 172S Skyhawk · Service Bulletins
Overview
This document is an Aviation Maintenance Alerts Template provided by the FAA to assist the aviation industry in reporting safety issues and anomalies encountered during the maintenance and operation of aircraft. It specifically addresses concerns related to the Cessna 172 and 175 models, particularly focusing on the Horizontal Stabilizer Forward Spar. The template is designed for voluntary submission of information regarding safety issues, corrective actions, and recommendations. It aims to enhance safety by sharing experiences and solutions among aviation professionals. The document includes sections for describing the alert subject, safety issues, corrective actions, and the inclusion of graphics or drawings.
- Cessna 172 and 175 models are affected by potential cracks in the Horizontal Stabilizer Forward Spar.
- Improper ground handling can lead to structural issues; a tow/steering bar is recommended for positioning the aircraft.
- Regular inspections are required every 100 hours or annually as per the SIDs.
- Corrective actions should be documented and shared to improve safety across the aviation community.
- The document serves as a template for reporting safety issues and corrective actions.
Document
Source
Originally published by www.faasafety.gov. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Pages ·
- 7
- File size ·
- 192 KB
- Publisher ·
- www.faasafety.gov
What is the Aviation Maintenance Alerts Template?
The Aviation Maintenance Alerts Template is a service bulletins for the CESSNA 172S Skyhawk.
How many pages is the Aviation Maintenance Alerts Template?
The copy of the Aviation Maintenance Alerts Template on file runs 7 pages.
Where does the Aviation Maintenance Alerts Template come from?
This copy of the Aviation Maintenance Alerts Template was originally published by www.faasafety.gov and is hosted on Sprinkle as a free, searchable reference copy.
Most owners only have the POH. Here's the essential set for the CESSNA 172S Skyhawk.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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- Weight and BalanceWeight And Balance
- Supplemental Type CertificateSupplemental Type Certificate
- LANDING GEAR - MAIN LANDING GEAR BUSHING INSPECTIONMaintenance Manual
- Cessna 172S-G1000 ChecklistChecklist
- Cessna 172S G1000 Skyhawk Normal ProceduresNormal Procedures
In this document
Describe Alert Subject
This section requires the submitter to fill in details about the product category, manufacturer, model, year of manufacture, and total time in service. It specifically mentions Cessna 172 and 175 models manufactured between 1956 and 1986.
Describe Safety Issue
The document highlights a safety issue regarding cracks in the Horizontal Stabilizer Forward Spar of Cessna 172 and 175 airplanes. It emphasizes the importance of proper ground handling to prevent cracking and deformation, recommending the use of a tow/steering bar for positioning the aircraft on the ground.
Describe Alert Corrective Action/Recommendation
This section outlines recommended corrective actions, including the use of a tow/steering bar and adherence to Cessna Service Manuals and Supplemental Inspection Documents (SIDs) to inspect and modify the Horizontal Stabilizer Forward Spar.
Supplemental Inspection Documents (SIDs)
A table lists various SIDs for the Cessna 172 and 175 models, detailing inspection compliance intervals and part numbers for the Horizontal Spar Reinforcement and Forward Spar.
Safety notes
- Non-compliance with service documents may result in failure of the Horizontal Stabilizer.
- Improper ground handling can cause cracking and deformation of the Horizontal Stabilizer structure.
Full document text
FEDERAL AVIATION ADMINISTRATION Aviation Maintenance Alerts Template Hello Aviation Industry Members, The Federal Aviation Administration (FAA) received numerous requests from the Aviation Industry (Industry) to reinstate the Aviation Maintenance Alerts (AC-43-16) (AMA) to assist industry members when sharing information regarding any anomalies and safety issues found during aircraft maintenance or related to their in-flight experiences. This newly created Aviation Maintenance Alerts (AMA) Template is available for voluntary submission of information that you will provide as a non-formatted document to add new data regarding any anomalies, adverse risks, safety issues, or problems encountered while using, inspecting, or modifying the aircraft. The FAA Alerts Team will add this data to our historical Alerts files. Further, when populated and submitted, the data is included as individual Alerts to our FAA Safety Team (FAAST) site. The Site is located under the General Aviation section (see User Guide for additional information). The FAA Alerts Team will log and track the Alerts in the FAAST site’s historical files and is included in the Table of Contents (List). The List will be searchable by ‘Product Category’ ‘Manufacturer’, and ‘Model’ for the aircraft, power plants, rotors, or component part of the accessories. This information will assist the Industry in finding similar Alerts for products written by others. The FAA Alerts Team will update the site’s List on a regular basis (either monthly or quarterly depending on the information received), and include copies of the original Alerts, as well as the updated List. The Word template is very simplistic and easy-to-populate. The Industry will use the AMA Template to submit an Aviation Maintenance Alert that identifies anomalies and safety issues, [as well as experiences] found during daily usage or routine maintenance checks and inspections. Gathering this information will not only help the Industry to share their experiences, but will assist the entire Aviation Community to improve aeronautical product safety. If the Industry submitter resolves the issues and successfully creates a workable solution, the submitter is encouraged to describe the corrective actions in Section III of the Template; or, if the submitter has found an option to correct future issues of the same nature, please include your recommendation in Section III. These actions will provide important information to other members of the aviation industry to ensure the information is captured and provided to industry personnel. These records will not only describe possible issues and resolutions, but will encourage feedback from other members regarding their experiences on similar products. When an AMA is published, the corrective action may not be fully evaluated. As more knowledge is provided, the Alerts will be promptly updated to include all facts provided. This includes feedback from other Aviation personnel or government agencies who provide support to the Aviation Industry. When the Alert is received, the List is updated and published on a regularly established schedule. Please use this Voluntary Template to document any safety issues, possible alerts, comments, or suggestions you may find. Download the Template to your electronic communication device, fill in as much information as possible, save the Template on your device, and email your completed document to us at: FAA; ATTN: AFS-600 at: 9-AVS-Mxalerts@faa.gov. Thank you. Aviation Maintenance Alerts Template 2 SECTION I: DESCRIBE ALERT SUBJECT PRODUCT CATEGORY MANUFACTURER MODEL YEAR OF MFG TOTAL TIME IN SERVICE AIRCRAFT Note: This is the Word Template which must be populated by the submitter There is a list of common manufacturers listed in the Instructions, should you require the preferred product title for the categories Enter the Model Number of your product If available, please list the manufactured year of the product If available, please enter the Total Time in Service for the Product AIRPLANES Cessna 172 and 175 1956 - 1986 HELICOPTER/ ROTORCRAFT BALLOONS UAS POWERED PARACHUTE, WEIGHT-SHIFT CONTROL AND ULTRA-LIGHT POWERPLANT PROPELLER APPLIANCES/ACCESSORIES Aviation Maintenance Alerts Template 3 SECTION II: DESCRIBE SAFETY ISSUE CESSNA 172 and 175, Horizontal Stabilizer Spar Submitter found Cracks in the Horizontal Stabilizer Forward Spar on Cessna 172 and 175 Airplanes. Improper ground handling can cause cracking and deformation of the Horizontal Stabilizer structure. Textron and FAA recommend using a tow/steering bar to manually position the airplane on the ground. Further, it is suggested that technicians do not push on control surfaces or outboard empennage surfaces. Inspect and modify the Horizontal Stabilizer Forward Spar per the Cessna Service Manuals and Supplemental Inspection Documents (SIDs). Non-compliance to these service documents may result in the failure of the Horizontal Stabilizer. Nearly 90 Service Difficult Reports (SDRs) were submitted during the past 30 years; these SDRs reported cracks in the Horizontal Stabilizer Forward Spars on Cessna 172 and 175 Airplanes. Service experience indicates the possibility of cracks and buckles developing in the area of the center lightening hole in the Horizontal Stabilizer Forward Spar. (See Figure 1, Crack in the Center Lightening Hole on the Horizontal Stabilizer Forward Spar example) The inspection team should conduct an inspection for cracks and buckles in this area. If a crack or buckle is found, the Spar will be repaired or replaced; the repair will depend upon the extent of crack propagation. To assist in preventing this condition from occurring, a strengthened one-piece forward Spar reinforcement is available. Cessna series 172R and 172S incorporate the front Spar reinforcement. Textron Aviation has developed SIDs for the Cessna 172 and 175 Airplanes that supersede
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and replace inspections in Service Bulletin SEB94-8. Table 1 identifies these SIDs. Each of these SIDs contains the note: “Improper ground handling can cause cracking and deformation in the horizontal stabilizer. It is recommended that a tow/steering bar be used when the airplane is manually positioned on the ground. Do not steer the airplane by pushing down on the horizontal tail.” Figure 2, Horizontal Stabilizer Forward Spar inspection, shows example schematics from a SID where cracks are occurring at the lightening hole. Aviation Maintenance Alerts Template 4 SECTION III: DESCRIBE ALERT CORRECTIVE ACTION/RECOMMENDATION NOTE: If a resolution or correction action is identified, please describe below. If not, mark this section to be determined (TBD). Thank you. Improper ground handling can cause cracking and deformation of the Horizontal Stabilizer structure. It is recommended that the mechanic use a tow/steering bar to manually position the airplane on the ground. Do not push on control surfaces or outboard empennage surfaces. Inspect and modify the Horizontal Stabilizer Forward Spar per the Cessna Service Manuals and Supplemental Inspection Documents (SIDs). Non-compliance to these service documents may result in the failure of the Horizontal Stabilizer. Aviation Maintenance Alerts Template 5 SECTION IV: INCLUDE GRAPHICS, DRAWINGS, AND PICTURES, See Instructions Figure 1 Crack in the Center Lightening Hole on the Horizontal Stabilizer Forward Spar (example) Aviation Maintenance Alerts Template 6 Table 1 Cessna 172 and 175 Supplemental Inspection Documents (SIDs) SID Model Series *Horizontal Spar Reinforcement ~Part No. *Replacement Horizontal Stabilizer Forward Spar ~Part No. Inspection Compliance 55-11-01 172 and 175 1953- 1962 0531037-1 0532001-98 100 hours or 1 year 55-11-01 172/F172/P172/FP172 1963- 1968 0531037-1 0532001-98 100 hours or 1 year 55-11-01 172/F172 1969- 1976 0531037-1 0532001-98 100 hours or 1 year 55-11-01 172/F172 1977- 1986 0531037-1 0532001-98 100 hours or 1 year 55-11-01 R172/FR172 1977- 1981 0531037-1 0532001-98 100 hours or 1 year 55-11-01 172RG 1980- 1985 0531037-1 0532001-98 100 hours or 1 year *Installation of 0531037-1 Horizontal Spar Reinforcement or 0532001-98 Horizontal Stabilizer Forward Spar is a terminating action for this inspection. Note: Manufacturers used the Horizontal Forward Spar Part No. is 0532001-10 when the airplanes were built. Aviation Maintenance Alerts Template 7 Figure 2 Horizontal Stabilizer Forward Spar inspection, Details A and B