AD 84-26-02
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Induction Air Filters | Paper Induction Air Filters | Airworthiness Directives; INDUCTION AIR FILTERS: Applies to all Paper Induction Air Filters Used in Small Airplanes |
| appliance | Induction Air Filters | Paper Induction Air Filters | Airworthiness Directives; INDUCTION AIR FILTERS: Applies to all Paper Induction Air Filters Used in Small Airplanes |
Unsafe Condition
Engine ingestion of fragments of a deteriorated induction air filter causing possible engine power loss or stoppage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the air filter with a new FAA-approved filter within the specified intervals. If the time-in-service cannot be determined, replace within 100 hours time-in-service.
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 (January 29, 1985) or prior to 500 hours time-in-service on the filter, whichever occurs later, and thereafter every 500 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Paper Induction Air Filters used in small airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Paper Induction Air Filters
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_84-26-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-26-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; INDUCTION AIR FILTERS: Applies to all Paper Induction Air Filters Used i...Show more Subject: Paper Induction Air Filters Status: Current Citation: This information is not available. Citation Publish Date: 12/19/1984 Effective Date: 01/29/1985 Make: Induction Air Filters Model: Paper Induction Air Filters Product Type: Appliance Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 84-26-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4966 AD NUMBER: 84-26-02 SUBJECT HEADING: Airworthiness Directives; INDUCTION AIR FILTERS: Applies to all Paper Induction Air Filters Used in Small Airplanes ACTION: SUMMARY: DATES: Effective January 29, 1985. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-26-02 INDUCTION AIR FILTERS: Amendment 39-4966. Applies to all paper induction air filters used in small airplanes. Compliance: Required as indicated, unless already accomplished. To prevent possible engine power loss or stoppage caused by engine ingestion of fragments of a deteriorated induction air filter, accomplish the following: Within the next one hundred hours time-in-service after the effective date of this AD or prior to the accumulation of 500 hours time-in-service on the filter, whichever occurs later, and thereafter at intervals not exceeding 500 hours time-in-service on the filter: (a) Replace the air filter with a new filter that is FAA approved for the airplane installation. (b) Within 100 hours time-in-service replace any filter on which the time-in-service cannot be determined utilizing the airplane maintenance records for this determination. NOTE: This AD does not alter current maintenance procedures which require inspection of paper induction air filters at 100 hours time-in-service and annual inspections and replacement as necessary based on filter condition. This amendment becomes effective January 29, 1985. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_84-26-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-26-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; INDUCTION AIR FILTERS: Applies to all Paper Induction Air Filters Used i...Show more Subject: Paper Induction Air Filters Status: Current Citation: This information is not available. Citation Publish Date: 12/19/1984 Effective Date: 01/29/1985 Make: Induction Air Filters Model: Paper Induction Air Filters Product Type: Appliance Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 84-26-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4966 AD NUMBER: 84-26-02 SUBJECT HEADING: Airworthiness Directives; INDUCTION AIR FILTERS: Applies to all Paper Induction Air Filters Used in Small Airplanes ACTION: SUMMARY: DATES: Effective January 29, 1985. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-26-02 INDUCTION AIR FILTERS: Amendment 39-4966. Applies to all paper induction air filters used in small airplanes. Compliance: Required as indicated, unless already accomplished. To prevent possible engine power loss or stoppage caused by engine ingestion of fragments of a deteriorated induction air filter, accomplish the following: Within the next one hundred hours time-in-service after the effective date of this AD or prior to the accumulation of 500 hours time-in-service on the filter, whichever occurs later, and thereafter at intervals not exceeding 500 hours time-in-service on the filter: (a) Replace the air filter with a new filter that is FAA approved for the airplane installation. (b) Within 100 hours time-in-service replace any filter on which the time-in-service cannot be determined utilizing the airplane maintenance records for this determination. NOTE: This AD does not alter current maintenance procedures which require inspection of paper induction air filters at 100 hours time-in-service and annual inspections and replacement as necessary based on filter condition. This amendment becomes effective January 29, 1985. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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