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SCHEDULE OF AIRWORTHINESS DIRECTIVES

Cessna 170 · Airworthiness Directives

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Overview

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia, specifically addressing safety concerns related to the Cessna 170 and several models of the Cessna 172 series. The directive outlines necessary inspections and actions to be taken to mitigate risks associated with electrical shorts and fuel line chaffing. It is aimed at aircraft operators and maintenance personnel, providing clear compliance requirements and timelines to ensure safety and airworthiness. The directive emphasizes the importance of inspecting specific components to prevent potential hazards during flight operations.

  • This Airworthiness Directive is effective from 24 January 2002.
  • Inspect the doorpost map light switch insulator assembly for damage within the next 100 hours of service.
  • Replace any damaged insulator or fuel line before further flight.
  • The directive applies to multiple Cessna models, including the Cessna 170 and various Cessna 172 series.
  • Prior inspections did not adequately cover all affected aircraft, leading to this directive.

Document

Source

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

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Document details

Type
Airworthiness Directives
Year
2002
Pages
2
File size
14 KB
Publisher
services.casa.gov.au
How rare is it?
331Cessna 170 registered worldwide · 296 active

Common. One of the most common aircraft types we track.

Documentation completeness
5/7

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In this document

Applicability

The AD applies to all Cessna 172 model aeroplanes with specified serial numbers, including various sub-models such as 172N, 172P, and 172RG. It also includes the Cessna 170 series, indicating that the directive is relevant for a broad range of aircraft within the Cessna family.

Requirements

The directive outlines three main requirements: 1) Inspect the doorpost map light switch insulator assembly for installation and damage; 2) If the insulator is not installed or damaged, replace it with a new part; 3) If the fuel line is damaged, it must be replaced. These actions are critical to ensure the safety of the aircraft.

Compliance

Compliance timelines are specified: Requirement 1 must be completed within the next 100 hours of service from the effective date of the directive. Requirement 2 must be completed before further flight after the inspection, and Requirement 3 must also be completed before further flight following the inspection.

Background

The background section highlights previous incidents of electrical shorts and fuel line chaffing on Cessna 172N aircraft, which prompted the issuance of this directive. It notes that prior inspections did not cover all affected aircraft, necessitating this updated directive.

Safety notes

  • Failure to comply with the inspection and replacement requirements may lead to unsafe flight conditions.
  • Electrical shorts and fuel line chaffing can pose serious risks during flight.

Full document text

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section. AD/CESSNA 170/71 Fuel Line/Map Light Switch 1/2002 Applicability: All Cessna 172 model aeroplanes with the following serial numbers: Model Serial Number 172N 17267585 through 17270049; 17270051 through 17274009; 17261445, 17261578, and 17270050 172P 17274010 through 17276654 172RG 172RG0001 through 172RG1191; and 691 F172N F17201515 through F17202039 F172P F17202040 through F17202254 FR172J FR17200531 through 17200590 FR172K FR17200591 through 17200675 R172K R1722000 through R1723454; and 680 Requirement: 1. Inspect the doorpost map light switch insulator assembly (part number 0511080- 1) to verify it is installed and (if installed) not damaged, in accordance with Cessna Service Bulletin SEB00-1 dated 17 January 2000. 2. If the switch cover insulator is not installed, or is damaged in any way, install a new insulator part number 0511080-1. 3. If the fuel line is damaged in any way, install a new fuel line. Note: FAA AD 2001-23-03 refers. Compliance: For Requirement 1 - Within the next 100 hours time in service from the effective date of this Directive. For Requirement 2 - Before further flight following requirement 1 inspection. Fro Requirement 3 - Before further flight following requirement 1 inspection. COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES This Airworthiness Directive becomes effective on 24 January 2002 Background: There have been several reports of incidents of electrical shorts and chaffing of the fuel line on Cessna Model 172N aeroplanes. This Directive is to detect and correct any chaffing that may occur between the map light and the fuel line. This Airworthiness Directive supersedes AD/CESSNA 170/36. The FAA found that inspections conducted under that AD did not cover all affected aircraft and that aircraft deteriorated after that inspection. Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority 27 November 2001 The above AD is notified in the Commonwealth of Australia Gazette on 9 January 2001.

Type certificate, explained

What's in the Cessna 170 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.

TCDS A-799Rev 54· Issued 2004
Read the full TCDS

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