SCHEDULE OF AIRWORTHINESS DIRECTIVES
CESSNA 185 · Airworthiness Directives
Overview
This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia, specifically addressing the Cessna 185 series aeroplanes. The directive outlines mandatory inspection requirements for fuel filler caps and adaptors, applicable to specific serial number ranges of the Cessna 185, covering models manufactured from 1961 to 1983. The directive emphasizes the importance of ensuring the integrity of fuel systems to prevent in-flight fuel leakage, which could pose safety risks. Compliance with the directive is required prior to the next Maintenance Release after June 30, 1985, and subsequently at each new Maintenance Release. The document serves as a critical reference for maintenance personnel and operators of Cessna 185 aircraft to ensure ongoing airworthiness and safety.
- Applicable to Cessna 185 models with serial numbers 185-0001 to 185-04414.
- Mandatory inspections include checking for fuel leakage and inspecting fuel cap mechanisms.
- Compliance is required prior to the next Maintenance Release after June 30, 1985.
- A fuel cap leak test must be conducted as per Cessna SIL SE 82-34.
- The directive simplifies previous requirements regarding water ingress inspections.
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 1% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the CESSNA 185.
- 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 185 models with serial numbers ranging from 185-0001 through 185-03683 (1961-1978) and 185-03684 through 185-04414 (1979-1983), specifically for those equipped with optional tanks unless they have been fitted with reduced diameter, raised filler neck fuel caps as per Cessna Service Kit SK182-85.
Inspection Requirements
The directive outlines several inspection requirements, including a visual inspection of the wing aft of the fuel filler for signs of fuel leakage, checking the fuel cap 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 in accordance with Cessna SIL SE 82-34.
Compliance Timeline
Operators must comply with the inspection requirements prior to the issuance of the next Maintenance Release after June 30, 1985, and continue to do so at each subsequent Maintenance Release.
Background Information
The amendment to this directive removes the previous requirement for extensive inspections and testing of fuel filler caps against water ingress for aircraft fitted with raised fuel filler necks, streamlining the maintenance process.
Safety notes
- Ensure all inspections are conducted as specified to prevent in-flight fuel leakage.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 185 Series Aeroplanes AD/CESSNA 185/40 Amdt 1 Fuel Filler Caps and Adaptors 11/88 Applicability: Models with serial number: 185-0001 through 18503683 (1961-1978), 18503684 through 18504414 (1979-1983) (optional tanks only); 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.
What's in the CESSNA 185 TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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