| AD Number | 84-23-04 | Status | Active |
| Effective Date | December 07, 1984 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-4944 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Fokker Services |
| Model(s) | F27 Mark 050 F27 Mark 100 F27 Mark 200 F27 Mark 300 F27 Mark 400 F27 Mark 500 F27 Mark 600 F27 Mark 700 |
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 landinggear 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.