AD 87-04-07
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747SP Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747SR Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
Unsafe Condition
Installation errors in the evacuation system could lead to unsatisfactory reliability of the escape slides and door mechanisms during emergency evacuation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the evacuation system within specified intervals per Boeing Service Letter 747-SL-52-35 or equivalent; incorporate inspections into maintenance programs; modify components per listed service bulletins; replace non-compliant parts before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within nine months after the effective date (March 9, 1987) or within 30 months after initial delivery from Boeing, whichever is later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 series airplanes equipped with escape slides, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Evacuation System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_87-04-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 87-04-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BOEING Model 747 Series Airplanes Subject: Evacuation System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/09/1987 Make: The Boeing Company Model: 747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...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: 87-04-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5531 AD NUMBER: 87-04-07 SUBJECT HEADING: Airworthiness Directives; BOEING Model 747 Series Airplanes ACTION: SUMMARY: DATES: Effective March 9, 1987. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 87-04-07 BOEING: Amendment 39-5531. Applies to all Model 747 series airplanes equipped with escape slides, certificated in any category. The applicability of each requirement is listed in the following paragraphs. Compliance required as indicated in the body of the AD. To detect installation errors and provide satisfactory reliability of the evacuation system, accomplish the following, unless already accomplished: A. For all Model 747 airplane doors equipped with escape slides, within nine months after the effective date of this AD or within 30 months after the date of initial delivery from Boeing, whichever occurs later, inspect the evacuation system in accordance with Boeing Service Letter 747-SL-52-35, Revision A, dated December 16, 1986, or later FAA-approved revisions, or FAA-approved equivalent, except as noted in subparagraphs A.1., A.2., and A.3., below. 1. For airplanes equipped with Air Cruisers slide/rafts installed in accordance with STC SA1215EA, the following changes must be made to the inspections: a. Paragraph 3, Step C: The strap does not require disconnecting. b. Paragraph 3, Step P(3): The girt lanyard cables must be installed on both forward and aft pulleys in accordance with a Air Cruisers Installation Instructions P-11751. c. Paragraph 3, Step Q(18): This step may be deleted. 2. For airplanes equipped with BF Goodrich slide/rafts installed in accordance with STC SA574GL or SA575GL, replace Paragraph 3, Step C and Step Q(18), with the survival kit instructions of BFGoodrich Service Bulletin 25-063. 3. The following records checks need not be accomplished as part of this AD: PARAGRAPH STEP 3 Q(4) 4 W(3) 5 X(3) 6 AJ 6 AU(3) 6 AU(20) 6 AU(23) Airplane evacuation systems that do not meet the inspection criteria must be repaired prior to further flight in accordance with the corrective action procedure listed in the Boeing Service Letter or as amended by Air Cruisers installation instructions. NOTE: Equivalent inspections may be approved by an FAA Principal Maintenance Inspector. B. Within the next nine months after the effective date of this AD, incorporate the inspections described in paragraph A., above, into the FAA-approved maintenance inspection program. These inspections must be accomplished at intervals not to exceed 30 months from the last inspection. NOTE: Equivalent inspections may be approved by an FAA Principal Maintenance Inspector. C. Within 18 months after the effective date of this AD, inspect and/or modify the evacuation system in accordance with the following service bulletins, or later FAA-approved revisions: 1. For airplanes listed in Boeing Model 747 Service Bulletin 25-2083, dated August 12, 1970, modify the off-wing escape slide compartment latch system in accordance with that Boeing Service Bulletin. 2. For all Model 747 airplanes equipped with evacuation slide assemblies (Boeing Part Number 60B00006-83 thru -102) and evacuation ramp assemblies (Boeing Part Numbers 60B50076-57 thru -60) modify the slide/ramp packboard release mechanism in accordance with Boeing Model 747 Service Bulletin 25- 2141, Revision 1, dated July 19, 1971. NOTE: These units may have been installed on airplanes other than those listed in the service bulletin. 3. For airplanes listed in Boeing Service Bulletin 747-25-2332 Revision 2, dated September 2, 1977, modify the off-wing escape slide inflation system in accordance with that Boeing Service Bulletin. 4. For Model 747 airplanes with reservoir assemblies (BF Goodrich Part Numbers 4A3037- 12 and -13, 4A3038, and 4A3038-10 and -11) installed at the off-wing location, replace the actuator assembly portion of the reservoir assembly in accordance with Boeing Service Bulletin 747-25-2423 dated August 25, 1978. NOTE: These reservoir assemblies may have been installed on airplanes other than those listed in the service bulletin. 5. For Model 747 airplanes listed in Boeing Service Bulletin 747-25-2501, Revision 4, dated January 11, 1985, test and inspect the off-wing slide firing cable in accordance with that Boeing Service Bulletin. a. Cables not meeting the test and inspection criteria must be replaced prior to further flight. b. Repeat the inspection at intervals not to exceed two years until the cables are replaced in accordance with Paragraph III.J. of Boeing Service Bulletin 747-25-2501, Revision 4, dated January 11, 1985. 6. For Model 747 airplanes equipped with upper deck evacuation slide assemblies (Boeing Part Numbers 60B50072-31, -32, -39, -41 thru -46, -50 thru -52, -59 thru -61, and -63 thru -65), modify the slide assemblies in accordance with Boeing Service Bulletin 747-25-2465, Revision 1, dated May 25, 1982. NOTE: These slide assemblies may have been installed on airplanes other than those listed in the service bulletin. 7. For Model 747 airplanes listed in Boeing Service Bulletin 747-25-2525, Revision 1, dated May 22, 1981, modify the off-wing escape slide compartment in accordance with that Boeing Service Bulletin. 8. For Model 747 airplanes equipped with upper deck escape slide packboard assemblies (Boeing Part Number 65B57619-41 and -42), modify the packboard in accordance with Boeing Service Bulletin 747-25-2529, dated July 10, 1981. NOTE: These packboards may have been installed on airplanes other than those listed in the service bulletin. 9. For airplanes listed in Boeing Service Bulletin 747-25-2592, dated June 15, 1982, modify the off-wing latch release and door opening thrusters in accordance with that Boeing Service Bulletin. 10. For airplanes listed in Boeing Service Bulletin 747-25-2641, dated October 26, 1984, inspect and replace, if necessary, the off-wing door deployment thruster in accordance with that Boeing Service Bulletin. D. For all Model 747 airplanes equipped with a combination slide/raft, within two years after the effective date of this AD, replace the Door No. 5 girt bar lifters and adjust the door floor fittings in accordance with Boeing Service Bulletin 747-52-2171, Revision 1, dated December 3, 1982, or later FAA-approved revisions. E. Except as provided in Paragraph A. and B., an alternate means of compliance, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. F. Upon request of an operator, an FAA Principal Maintenance Inspector, subject to approval by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, may adjust the compliance times specified in this AD to permit compliance at an established inspection period of that operator if the request contains substantiating data to justify the change for that operator. G. 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. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124-2207; BFGoodrich Company, Dept 1809, 500 South Main Street, Akron, Ohio 44318; and Air Cruisers Company, P.O. Box 180, Belmar, New Jersey 07719. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective March 9, 1987. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_87-04-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 87-04-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BOEING Model 747 Series Airplanes Subject: Evacuation System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/09/1987 Make: The Boeing Company Model: 747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...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: 87-04-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5531 AD NUMBER: 87-04-07 SUBJECT HEADING: Airworthiness Directives; BOEING Model 747 Series Airplanes ACTION: SUMMARY: DATES: Effective March 9, 1987. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 87-04-07 BOEING: Amendment 39-5531. Applies to all Model 747 series airplanes equipped with escape slides, certificated in any category. The applicability of each requirement is listed in the following paragraphs. Compliance required as indicated in the body of the AD. To detect installation errors and provide satisfactory reliability of the evacuation system, accomplish the following, unless already accomplished: A. For all Model 747 airplane doors equipped with escape slides, within nine months after the effective date of this AD or within 30 months after the date of initial delivery from Boeing, whichever occurs later, inspect the evacuation system in accordance with Boeing Service Letter 747-SL-52-35, Revision A, dated December 16, 1986, or later FAA-approved revisions, or FAA-approved equivalent, except as noted in subparagraphs A.1., A.2., and A.3., below. 1. For airplanes equipped with Air Cruisers slide/rafts installed in accordance with STC SA1215EA, the following changes must be made to the inspections: a. Paragraph 3, Step C: The strap does not require disconnecting. b. Paragraph 3, Step P(3): The girt lanyard cables must be installed on both forward and aft pulleys in accordance with a Air Cruisers Installation Instructions P-11751. c. Paragraph 3, Step Q(18): This step may be deleted. 2. For airplanes equipped with BF Goodrich slide/rafts installed in accordance with STC SA574GL or SA575GL, replace Paragraph 3, Step C and Step Q(18), with the survival kit instructions of BFGoodrich Service Bulletin 25-063. 3. The following records checks need not be accomplished as part of this AD: PARAGRAPH STEP 3 Q(4) 4 W(3) 5 X(3) 6 AJ 6 AU(3) 6 AU(20) 6 AU(23) Airplane evacuation systems that do not meet the inspection criteria must be repaired prior to further flight in accordance with the corrective action procedure listed in the Boeing Service Letter or as amended by Air Cruisers installation instructions. NOTE: Equivalent inspections may be approved by an FAA Principal Maintenance Inspector. B. Within the next nine months after the effective date of this AD, incorporate the inspections described in paragraph A., above, into the FAA-approved maintenance inspection program. These inspections must be accomplished at intervals not to exceed 30 months from the last inspection. NOTE: Equivalent inspections may be approved by an FAA Principal Maintenance Inspector. C. Within 18 months after the effective date of this AD, inspect and/or modify the evacuation system in accordance with the following service bulletins, or later FAA-approved revisions: 1. For airplanes listed in Boeing Model 747 Service Bulletin 25-2083, dated August 12, 1970, modify the off-wing escape slide compartment latch system in accordance with that Boeing Service Bulletin. 2. For all Model 747 airplanes equipped with evacuation slide assemblies (Boeing Part Number 60B00006-83 thru -102) and evacuation ramp assemblies (Boeing Part Numbers 60B50076-57 thru -60) modify the slide/ramp packboard release mechanism in accordance with Boeing Model 747 Service Bulletin 25- 2141, Revision 1, dated July 19, 1971. NOTE: These units may have been installed on airplanes other than those listed in the service bulletin. 3. For airplanes listed in Boeing Service Bulletin 747-25-2332 Revision 2, dated September 2, 1977, modify the off-wing escape slide inflation system in accordance with that Boeing Service Bulletin. 4. For Model 747 airplanes with reservoir assemblies (BF Goodrich Part Numbers 4A3037- 12 and -13, 4A3038, and 4A3038-10 and -11) installed at the off-wing location, replace the actuator assembly portion of the reservoir assembly in accordance with Boeing Service Bulletin 747-25-2423 dated August 25, 1978. NOTE: These reservoir assemblies may have been installed on airplanes other than those listed in the service bulletin. 5. For Model 747 airplanes listed in Boeing Service Bulletin 747-25-2501, Revision 4, dated January 11, 1985, test and inspect the off-wing slide firing cable in accordance with that Boeing Service Bulletin. a. Cables not meeting the test and inspection criteria must be replaced prior to further flight. b. Repeat the inspection at intervals not to exceed two years until the cables are replaced in accordance with Paragraph III.J. of Boeing Service Bulletin 747-25-2501, Revision 4, dated January 11, 1985. 6. For Model 747 airplanes equipped with upper deck evacuation slide assemblies (Boeing Part Numbers 60B50072-31, -32, -39, -41 thru -46, -50 thru -52, -59 thru -61, and -63 thru -65), modify the slide assemblies in accordance with Boeing Service Bulletin 747-25-2465, Revision 1, dated May 25, 1982. NOTE: These slide assemblies may have been installed on airplanes other than those listed in the service bulletin. 7. For Model 747 airplanes listed in Boeing Service Bulletin 747-25-2525, Revision 1, dated May 22, 1981, modify the off-wing escape slide compartment in accordance with that Boeing Service Bulletin. 8. For Model 747 airplanes equipped with upper deck escape slide packboard assemblies (Boeing Part Number 65B57619-41 and -42), modify the packboard in accordance with Boeing Service Bulletin 747-25-2529, dated July 10, 1981. NOTE: These packboards may have been installed on airplanes other than those listed in the service bulletin. 9. For airplanes listed in Boeing Service Bulletin 747-25-2592, dated June 15, 1982, modify the off-wing latch release and door opening thrusters in accordance with that Boeing Service Bulletin. 10. For airplanes listed in Boeing Service Bulletin 747-25-2641, dated October 26, 1984, inspect and replace, if necessary, the off-wing door deployment thruster in accordance with that Boeing Service Bulletin. D. For all Model 747 airplanes equipped with a combination slide/raft, within two years after the effective date of this AD, replace the Door No. 5 girt bar lifters and adjust the door floor fittings in accordance with Boeing Service Bulletin 747-52-2171, Revision 1, dated December 3, 1982, or later FAA-approved revisions. E. Except as provided in Paragraph A. and B., an alternate means of compliance, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region. F. Upon request of an operator, an FAA Principal Maintenance Inspector, subject to approval by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, may adjust the compliance times specified in this AD to permit compliance at an established inspection period of that operator if the request contains substantiating data to justify the change for that operator. G. 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. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124-2207; BFGoodrich Company, Dept 1809, 500 South Main Street, Akron, Ohio 44318; and Air Cruisers Company, P.O. Box 180, Belmar, New Jersey 07719. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective March 9, 1987. FOOTER:
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Retrieved: Apr 8, 2026
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