AD 81-14-09
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sabreliner Corporation | NA-265-40 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes |
| aircraft | Sabreliner Corporation | NA-265-60 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes |
Unsafe Condition
Cabin depressurization due to potential cracking of the door stop (beam) as a result of fatigue.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a dye penetrant inspection of the door stop (beam) per Sabreliner Service Bulletin No. 55. If cracks are detected, replace the part and resume inspections after 2,000 hours time-in-service or modify per Service Bulletin No. 3. Repeat inspections every 600 hours or 1 year if no cracks found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 600 hours additional time-in-service or within the next 12 months, whichever occurs first (for aircraft with 2,000+ hours as of July 13, 1981). For aircraft with less than 2,000 hours, prior to accumulating 2,600 hours time-in-service or within the next 12 months after reaching 2,000 hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rockwell International Models NA-265-40 (Serial Numbers 282-1 through 282-97) and NA-265-60 (Serial Numbers 306-1 through 306-63) not modified per North American Rockwell Drawing No. 306-053010.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Cabin Depressurization
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-14-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-14-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes Subject: Cabin Depressurization Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/13/1981 Make: Sabreliner Corporation Model: NA-265-40 | NA-265-60 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-14-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4157 AD NUMBER: 81-14-09 SUBJECT HEADING: Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes ACTION: SUMMARY: DATES: Effective July 13, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-14-09 ROCKWELL INTERNATIONAL: Amendment 39-4157. Applies to Models NA-265-40, Serial Numbers 282-1 through 282-97, and NA-265-60, Serial Numbers 306-1 through 306-63, airplanes certificated in any category not modified in accordance with life extension modifications per North American Rockwell Drawing No. 306-053010. COMPLIANCE: Required as indicated unless already accomplished. To prevent inadvertent cabin depressurization, accomplish the following: A) On aircraft with 2,000 or more hours total time-in-service as of the effective date of this AD, within the next 600 hours additional time-in-service or within the next 12 months, whichever occurs first: 1. Conduct a dye penetrant inspection of the door stop (beam) in accordance with the Inspection Instructions of Sabreliner Service Bulletin No. 55 dated March 31, 1980, as revised June 16, 1980. 2. If no cracks are detected, repeat the inspection at intervals not to exceed 600 hours time-in-service or 1 year, whichever occurs first. 3. If cracks are detected, replace the cracked part with a new part and after an additional 2,000 hours aircraft time-in-service, resume inspections at 600 hour time-in-service intervals, or modify the aircraft in accordance with Sabreliner Service Bulletin No. 3, dated December 19, 1975, as revised August 4, 1978. Installation of the applicable kit in accordance with Sabreliner Service Bulletin No. 3 eliminates the inspection requirement of this AD. B) On aircraft with less than 2,000 hours total time-in-service as of the effective date of this AD, prior to accumulating 2,600 hours time-in-service or within the next 12 months from the time the aircraft has accumulated 2,000 hours time-in-service, whichever occurs first, accomplish the inspection and corrective action specified in Paragraph A) as applicable. C) Aircraft may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. D) Any equivalent method of compliance with this AD must be approved by the Chief, Aircraft Certification Program, Room 238, Terminal Building 2299, Mid-Continent Airport, Wichita, Kansas 67209; telephone (316) 942-4285. E) Record compliance with this AD by an appropriate entry in the airplane maintenance records. This should include those airplanes where the provisions of this AD have already been accomplished. This Amendment becomes effective July 13, 1981. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_81-14-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-14-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes Subject: Cabin Depressurization Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/13/1981 Make: Sabreliner Corporation Model: NA-265-40 | NA-265-60 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: 81-14-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4157 AD NUMBER: 81-14-09 SUBJECT HEADING: Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes ACTION: SUMMARY: DATES: Effective July 13, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-14-09 ROCKWELL INTERNATIONAL: Amendment 39-4157. Applies to Models NA-265-40, Serial Numbers 282-1 through 282-97, and NA-265-60, Serial Numbers 306-1 through 306-63, airplanes certificated in any category not modified in accordance with life extension modifications per North American Rockwell Drawing No. 306-053010. COMPLIANCE: Required as indicated unless already accomplished. To prevent inadvertent cabin depressurization, accomplish the following: A) On aircraft with 2,000 or more hours total time-in-service as of the effective date of this AD, within the next 600 hours additional time-in-service or within the next 12 months, whichever occurs first: 1. Conduct a dye penetrant inspection of the door stop (beam) in accordance with the Inspection Instructions of Sabreliner Service Bulletin No. 55 dated March 31, 1980, as revised June 16, 1980. 2. If no cracks are detected, repeat the inspection at intervals not to exceed 600 hours time-in-service or 1 year, whichever occurs first. 3. If cracks are detected, replace the cracked part with a new part and after an additional 2,000 hours aircraft time-in-service, resume inspections at 600 hour time-in-service intervals, or modify the aircraft in accordance with Sabreliner Service Bulletin No. 3, dated December 19, 1975, as revised August 4, 1978. Installation of the applicable kit in accordance with Sabreliner Service Bulletin No. 3 eliminates the inspection requirement of this AD. B) On aircraft with less than 2,000 hours total time-in-service as of the effective date of this AD, prior to accumulating 2,600 hours time-in-service or within the next 12 months from the time the aircraft has accumulated 2,000 hours time-in-service, whichever occurs first, accomplish the inspection and corrective action specified in Paragraph A) as applicable. C) Aircraft may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. D) Any equivalent method of compliance with this AD must be approved by the Chief, Aircraft Certification Program, Room 238, Terminal Building 2299, Mid-Continent Airport, Wichita, Kansas 67209; telephone (316) 942-4285. E) Record compliance with this AD by an appropriate entry in the airplane maintenance records. This should include those airplanes where the provisions of this AD have already been accomplished. This Amendment becomes effective July 13, 1981. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.