# AD 85-02-01: BFG Slide/Afts O-Rings - Type: Airworthiness directive - Status: Current - Products: Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series, 747-200B Series, 747-200C Series, 747-200F Series, 747-300 Series, 747-400 Series, 747-400D Series, 747-400F Series, 747SP Series and 747SR Series - Effective: March 4, 1985 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Large airplane - Amendment: 39-4990 - Registered aircraft: 63 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BFACBD5556DC252D862568A9006C79B0.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/85-02-01 ## The airworthiness directive 85-02-01 BOEING: Amendment 39-4990. Applies to Model 747 airplanes equipped with B.F. Goodrich evacuation slides and slide/rafts, Part Numbers (P/N) as specified in B.F. Goodrich service bulletins noted below. Compliance required as indicated. To assure proper inflation of slides and slide/rafts, accomplish the following within one year after the effective date of this amendment, unless previously accomplished: A. For airplanes equipped with the B.F. Goodrich slides or slide/rafts noted in B.F. Goodrich Service Bulletin 25-090, Revision 1, dated May 10, 1984, replace pressure regulator O- rings in accordance with the service bulletin or later FAA approved revisions. B. For Boeing Model 747-300 airplanes equipped with B.F. Goodrich slides P/N 7A1323, accomplish regulator replacement in accordance with B.F. Goodrich Service Bulletin 25-084, dated November 7, 1983, or later FAA approved revisions. C. For airplanes equipped with slide/rafts installed in accordancewith Supplemental Type Certificates (STC) SA574GL, SA575GL, SA744GL, or SA745GL, accomplish pressure regulator O-ring replacement in accordance with B.F. Goodrich Service Bulletin 25-088, Revision 1, dated May 9, 1984, or later FAA approved revisions. D. An alternate means of compliance which provides an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. E. Upon request of the operator, an FAA maintenance inspector may adjust the compliance times specified in this AD to permit compliance at an established inspection period of the operator, if the request contains substantiating data to justify the adjustment period. F. Aircraft may be ferried to a base for maintenance in accordance with Sections 21.197 and 21.199 of the Federal Aviation Regulations. All persons affected by this directive who have not already received B.F. Goodrich Service Bulletins 25-084, 25-088, and 25-090 may obtain copies upon request to B.F. Goodrich Engineered Products Group, Aerospace Defense Division, Akron, Ohio 44318, or Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA, Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective March 4, 1985. ## Affected data sheets (1) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A20WE](https://openairdocs.org/tcds/A20WE): The Boeing Company; names 12 of 14 models: 747-100B Series, 747SP Series, 747-400D Series, 747-400F Series, 747-200B Series, 747-200F Series, 747-300 Series, 747-200C Series… ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 63 (63 by airframe model, 0 by engine model) - Makers: Boeing 63 Models with the most aircraft: - [Boeing 747-446](https://openairdocs.org/model/boeing-747-446): 10 aircraft (airframe model) - [Boeing 747-422](https://openairdocs.org/model/boeing-747-422): 8 aircraft (airframe model) - [Boeing 747-412](https://openairdocs.org/model/boeing-747-412): 5 aircraft (airframe model) - [Boeing 747-400F](https://openairdocs.org/model/boeing-747-400f): 4 aircraft (airframe model) - [Boeing 747-409](https://openairdocs.org/model/boeing-747-409): 4 aircraft (airframe model) - [Boeing 747-481F](https://openairdocs.org/model/boeing-747-481f): 3 aircraft (airframe model) - [Boeing 747-409F](https://openairdocs.org/model/boeing-747-409f): 3 aircraft (airframe model) - [Boeing 747-481](https://openairdocs.org/model/boeing-747-481): 3 aircraft (airframe model) - [Boeing 747-428F](https://openairdocs.org/model/boeing-747-428f): 3 aircraft (airframe model) - [Boeing 747-123](https://openairdocs.org/model/boeing-747-123): 2 aircraft (airframe model) - [Boeing 747-251F](https://openairdocs.org/model/boeing-747-251f): 2 aircraft (airframe model) - [Boeing 747-443](https://openairdocs.org/model/boeing-747-443): 2 aircraft (airframe model) - [Boeing 747-438](https://openairdocs.org/model/boeing-747-438): 2 aircraft (airframe model) - [Boeing 747-428](https://openairdocs.org/model/boeing-747-428): 2 aircraft (airframe model) - [Boeing 747-257B](https://openairdocs.org/model/boeing-747-257b): 1 aircraft (airframe model) - [Boeing 747-283B](https://openairdocs.org/model/boeing-747-283b): 1 aircraft (airframe model) - [Boeing 747-121](https://openairdocs.org/model/boeing-747-121): 1 aircraft (airframe model) - [Boeing 747-131](https://openairdocs.org/model/boeing-747-131): 1 aircraft (airframe model) - [Boeing 747-128](https://openairdocs.org/model/boeing-747-128): 1 aircraft (airframe model) - [Boeing 747-273C](https://openairdocs.org/model/boeing-747-273c): 1 aircraft (airframe model) All 24 models: https://openairdocs.org/ad/85-02-01/models.md Every aircraft: https://openairdocs.org/ad/85-02-01/aircraft.md ## Related documents - [STC SA574GL](https://openairdocs.org/stc/SA574GL): Installation of B.F. Goodrich emergency evacuation slide/rafts, BFG P/N's 7A1340 and 7A1342, in place of BFG emergency/ evacuation slides, BFG P/Ns 7A1101, 7A1102, and 7A1103.. Goodrich Corporation, Cited in the text - [STC SA575GL](https://openairdocs.org/stc/SA575GL): In the 747-100B, 747-200C, and747SR installation of B.F. Goodrich emergency evacuation slide/rafts, BFG P/Ns 7A1340 and7A1342, in place of BFG emergency evacuation slides, P/Ns 7A1101, 7A1102, and 7A1103.. Goodrich Corporation, Cited in the text - [STC SA744GL](https://openairdocs.org/stc/SA744GL): Installation of B.F. Goodrich emergency evacuation slide/rafts, BFG P/N's 7A1437 and 7A1439, in place of BFG emergency evacuation slides P/N's 7A1101, 7A1102, and7A1103 or BFG emergency evacuation slide/rafts P/N's 7A1340 and 7A1342.. Goodrich Corporation, Cited in the text - [STC SA745GL](https://openairdocs.org/stc/SA745GL): Installation of B.F. Goodrich emergency evacuation slide/rafts, BFG P/N's 7A1437 and 7A1439, in place of BFG emergency evacuation slides P/N's 7A1101, 7A1102, and7A1103 or BFG emergency evacuation slide/rafts P/N's 7A1340 and 7A1342.. Goodrich Corporation, Cited in the text --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.