AD 78-01-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 182 | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182A | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182B | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182C | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182D | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182E | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182F | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182G | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182H | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182J | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182K | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182L | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182M | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182N | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182P | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182Q | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182R | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182S | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
| aircraft | Cessna Aircraft Company | 182T | Airworthiness Directives; CESSNA Model 182 Series Airplanes |
Unsafe Condition
A loose ELT antenna coaxial cable connector contacting the terminals of the battery relay could short electrical power to ground, creating a possibility of an in-flight fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install P/N 0712765-1 plastic guard over P/N S1579 battery relay or, for airplanes without this relay, install two P/N MS25171-1S and two P/N MS25171-4S rubber nipple covers on the battery relay terminal, following Cessna Service Letter SE-77-41 or approved revisions. Equivalent methods require approval by the FAA Chief, Engineering & Manufacturing Branch, Central Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours time-in-service after the effective date of this AD or by March 15, 1978, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Cessna Model 182 Series (S/N's 18260797 thru 18265965) plus those incorporating ELT installations per Cessna Service Letter SE73-41 or Kits AK-150-97, AK-150-104, AK-150-110, or AK-172-190
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
ELT Installation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-01-14.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-01-14 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CESSNA Model 182 Series Airplanes Subject: ELT Installation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/23/1978 Make: Cessna Aircraft Company Model: 182 | 182A | 182B | 182C | 182D | 182E | 182F | 182G | 182H | 182J | 182K | 182L | 182M | 182N | 182...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-01-14 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3123 AD NUMBER: 78-01-14 SUBJECT HEADING: Airworthiness Directives; CESSNA Model 182 Series Airplanes ACTION: SUMMARY: DATES: DATE: Effective January 23, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-01-14 CESSNA: Amendment 39-3123. Applies to Model 182 Series (S/N's 18260797 thru 18265965) plus all other Cessna Model 182 Series incorporating ELT installations accomplished in accordance with Cessna Service Letter SE73-41 dated December 12, 1973, and Kits AK-150-97 or AK-150-104 or Kits AK-150-110 and AK-172-190 which were supplied by Cessna when Kits AK-150-97 and 150-104 were discontinued. Compliance: Required as indicated unless already accomplished. To preclude the possibility of an in-flight fire due to a loose ELT antenna coaxial cable connector making contact with the terminals of the battery relay and thereby shorting the electrical power to ground, within the next 100 hours time-in-service after the effective date of this AD or by March 15, 1978, whichever occurs first, accomplish the following: A) Install P/N 0712765-1 plastic guard over the P/N S1579 battery relay, or on those Cessna Model 182 airplanes not utilizing a P/N S1579 battery relay install two P/N MS25171-1S and two P/N MS25171-4S rubber nipple covers on the battery relay terminal in those airplanes, in accordance with Cessna Service Letter SE-77-41, dated November 7, 1977, or later approved revisions. B) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering & Manufacturing Branch, FAA, Central Region. This amendment becomes effective January 23, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-01-14.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-01-14 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; CESSNA Model 182 Series Airplanes Subject: ELT Installation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/23/1978 Make: Cessna Aircraft Company Model: 182 | 182A | 182B | 182C | 182D | 182E | 182F | 182G | 182H | 182J | 182K | 182L | 182M | 182N | 182...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-01-14 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3123 AD NUMBER: 78-01-14 SUBJECT HEADING: Airworthiness Directives; CESSNA Model 182 Series Airplanes ACTION: SUMMARY: DATES: DATE: Effective January 23, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-01-14 CESSNA: Amendment 39-3123. Applies to Model 182 Series (S/N's 18260797 thru 18265965) plus all other Cessna Model 182 Series incorporating ELT installations accomplished in accordance with Cessna Service Letter SE73-41 dated December 12, 1973, and Kits AK-150-97 or AK-150-104 or Kits AK-150-110 and AK-172-190 which were supplied by Cessna when Kits AK-150-97 and 150-104 were discontinued. Compliance: Required as indicated unless already accomplished. To preclude the possibility of an in-flight fire due to a loose ELT antenna coaxial cable connector making contact with the terminals of the battery relay and thereby shorting the electrical power to ground, within the next 100 hours time-in-service after the effective date of this AD or by March 15, 1978, whichever occurs first, accomplish the following: A) Install P/N 0712765-1 plastic guard over the P/N S1579 battery relay, or on those Cessna Model 182 airplanes not utilizing a P/N S1579 battery relay install two P/N MS25171-1S and two P/N MS25171-4S rubber nipple covers on the battery relay terminal in those airplanes, in accordance with Cessna Service Letter SE-77-41, dated November 7, 1977, or later approved revisions. B) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering & Manufacturing Branch, FAA, Central Region. This amendment becomes effective January 23, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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