AD 84-23-04
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services | F27 Mark 050 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 100 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 200 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 300 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 400 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 500 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 600 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
| aircraft | Fokker Services | F27 Mark 700 | Airworthiness Directives; FOKKER B.V. Model F27 Airplanes |
Unsafe Condition
Failure of portable fire extinguisher cartridges due to improper cartridge holders, improper rubber sleeves in fuel vent system causing fuel leakage, and leakage from fluid dampers in main and nose landing gear actuating rams.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect cartridge holders per Fokker SB F27/26-18 within 90 days; inspect fuel tank ventilation system and replace unsatisfactory parts per Fokker SB F27/28-55 within 90 days; modify actuating rams per Fokker SB F27/32-143 or Dunlop SBs 36-262/263 within 180 days.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 90 days after the effective date of this AD (for A and B) and within 180 days after the effective date of this AD (for C)
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Affected Aircraft
FOKKER B.V. Model F27 Mark 050, 100, 200, 300, 400, 500, 600 airplanes as specified in the applicability of the referenced service bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fokker Service Bulletin F27/26-18, 28-55, 32-143 Inspection
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_84-23-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-23-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; FOKKER B.V. Model F27 Airplanes Subject: Fokker Service Bulletin F27/26-18, 28-55, 32-143 Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/07/1984 Make: Fokker Services Model: F27 Mark 050 | F27 Mark 100 | F27 Mark 200 | F27 Mark 300 | F27 Mark 400 | F27 Mark 500 | F27 Mark 6...Show more Product Type: Aircraft Product Subtype: Large 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: 84-23-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4944 AD NUMBER: 84-23-04 SUBJECT HEADING: Airworthiness Directives; FOKKER B.V. Model F27 Airplanes ACTION: SUMMARY: DATES: Effective December 7, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-23-04 FOKKER B.V.: Amendment 39-4944. Applies to Model F27 airplanes as indicated in the applicability statement of each service bulletin listed below. Compliance is required within the time interval specified in each of the following paragraphs, unless already accomplished: A. To assure proper operation of the portable fire extinguishers, within 90 days after the effective date of this AD, inspect the cartridge holders in accordance with Fokker Service Bulletin F27/26-18 dated September 28, 1981 (reference Walter Kidde Service Bulletin 26-20-240, revised April 28, 1981). B. To assure that proper rubber sleeves have been installed in the fuel vent system, within 90 days after the effective date of this AD, inspect the fuel tank ventilation system in accordance with Fokker Service Bulletin F27/28-55 dated April 15, 1981. Replace unsatisfactory parts in accordance with the service bulletin. C. To eliminate leakage from the fluid dampers in the main and nose landing gear actuating rams, within 180 days after the effective date of this AD, modify the actuating rams in accordance with Fokker Service Bulletin F27/32-143 dated May 22, 1981, or in accordance with Dunlop Service Bulletins 36-262 and 36-263 as an alternate means of compliance. D. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective December 7, 1984. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_84-23-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-23-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; FOKKER B.V. Model F27 Airplanes Subject: Fokker Service Bulletin F27/26-18, 28-55, 32-143 Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/07/1984 Make: Fokker Services Model: F27 Mark 050 | F27 Mark 100 | F27 Mark 200 | F27 Mark 300 | F27 Mark 400 | F27 Mark 500 | F27 Mark 6...Show more Product Type: Aircraft Product Subtype: Large 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: 84-23-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4944 AD NUMBER: 84-23-04 SUBJECT HEADING: Airworthiness Directives; FOKKER B.V. Model F27 Airplanes ACTION: SUMMARY: DATES: Effective December 7, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-23-04 FOKKER B.V.: Amendment 39-4944. Applies to Model F27 airplanes as indicated in the applicability statement of each service bulletin listed below. Compliance is required within the time interval specified in each of the following paragraphs, unless already accomplished: A. To assure proper operation of the portable fire extinguishers, within 90 days after the effective date of this AD, inspect the cartridge holders in accordance with Fokker Service Bulletin F27/26-18 dated September 28, 1981 (reference Walter Kidde Service Bulletin 26-20-240, revised April 28, 1981). B. To assure that proper rubber sleeves have been installed in the fuel vent system, within 90 days after the effective date of this AD, inspect the fuel tank ventilation system in accordance with Fokker Service Bulletin F27/28-55 dated April 15, 1981. Replace unsatisfactory parts in accordance with the service bulletin. C. To eliminate leakage from the fluid dampers in the main and nose landing gear actuating rams, within 180 days after the effective date of this AD, modify the actuating rams in accordance with Fokker Service Bulletin F27/32-143 dated May 22, 1981, or in accordance with Dunlop Service Bulletins 36-262 and 36-263 as an alternate means of compliance. D. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective December 7, 1984. FOOTER:
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