SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 188 AGwagon · Airworthiness Directives
Overview
This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia, specifically addressing the Cessna 188 Agwagon series aeroplanes. It outlines the requirements for inspecting fuel filler caps and adaptors to ensure safety and compliance with aviation regulations. The directive applies to specific models of the Cessna 188 with serial numbers ranging from 188-0446 to 188-03966T, covering aircraft manufactured between 1968 and 1983. The document emphasizes the importance of visual inspections and compliance with specified service instructions to prevent fuel leakage and ensure proper sealing of fuel systems. Pilots and maintenance personnel are required to adhere to these guidelines to maintain airworthiness and safety standards.
- Applicable to Cessna 188 models with serial numbers 188-0446 through 188-03966T.
- Visual inspections of fuel filler caps and adaptors are mandatory.
- Inspect for fuel leakage, cap locking mechanism integrity, and sealing conditions.
- Conduct a fuel cap leak test as per Cessna SIL SE 82-34.
- Compliance is required before the next Maintenance Release after June 30, 1985.
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
- 1988
- Pages
- 1
- File size
- 10 KB
- Publisher
- services.casa.gov.au
Common. Rarer than 24% of the aircraft models we track.
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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 directive applies to Cessna 188 models with serial numbers 188-0446 through 188-03856 (1968-1981) and 188-00967T through 188-03966T (1972-1983), as well as T188-03307T through T188-03966T (1979-1983). It specifies that the requirements are applicable unless reduced diameter, raised filler neck fuel caps are installed according to Cessna Service Kit SK182-85.
Inspection Requirements
The directive outlines several inspection requirements for the fuel filler caps and adaptors. These include visually inspecting the wing aft of the fuel filler for signs of fuel leakage, checking the locking mechanism and seals for damage, and inspecting the adaptor sealing face for any conditions that may prevent proper sealing. Additionally, a fuel cap leak test must be conducted following Cessna SIL SE 82-34.
Compliance Timeline
Compliance with the directive is required prior to the issue of the next Maintenance Release after June 30, 1985, and subsequently at each issue of a new Maintenance Release. This ensures that all aircraft meet the necessary safety standards.
Background Information
The amendment to this directive removes the previous requirement for extensive inspection and testing of fuel filler caps against potential water ingress for aircraft equipped with raised fuel filler necks. This change simplifies the compliance process while maintaining safety.
Safety notes
- Ensure all inspections are thorough to prevent fuel leakage during flight.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 188 (Agwagon) Series Aeroplanes AD/CESSNA 188/40 Amdt 1 Fuel Filler Caps and Adaptors 11/88 Applicability: Models with serial numbers: 188-0446 through 18803856 (1968-1981) (wing tanks only) 18800967T through 18803966T (1972-1983), T18803307T through T18803966T (1979-1983); unless reduced diameter, raised filler neck fuel caps are installed on all filler openings in accordance with Cessna Service Kit SK182-85 (refer S.I.L SE 84-16). Requirement: 1. Visually inspect the wing aft of the fuel filler for indications of inflight fuel leakage. 2. Visually inspect the fuel cap locking mechanism and seals for cracking, distortion and any condition which might prevent sealing. 3. Remove the fuel filler caps and inspect the adaptor sealing face for distortion, scratches, corrosion or any condition which may prevent the cap from sealing. 4. Visually check the sealing and security of the attachment of the adaptor flange to the adaptor plate paying particular attention to the adhesive (if present) between the parts. 5. Check the fuel cap seal by actuating the locking tab and noting that force is maintained between the cap, seal and adaptor when the tab is in the over-centre locking position. 6. Conduct a fuel cap leak test in accordance with Cessna SIL SE 82-34. Compliance: Prior to the issue of the next Maintenance Release after 30 June 1985 and thereafter at each issue of a new Maintenance Release. Background: This Amendment deletes the requirement for extensive inspection and testing of fuel filler caps against possible water ingress, for aeroplanes fitted with raised fuel filler necks.