AD 92-07-06

final rule

Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, and 3 Airplanes

AD Number
92-07-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-CE-72-AD
FR Citation
This information is not available.
Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

Applicability

TypeManufacturerModelDetails
aircraft DeHavilland Support Limited Beagle B.121 Series 1 Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, and 3 Airplanes
aircraft DeHavilland Support Limited Beagle B.121 Series 2 Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, and 3 Airplanes
aircraft DeHavilland Support Limited Beagle B.121 Series 3 Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, and 3 Airplanes

Unsafe Condition

Failure of each wing spar in the area immediately outboard of the root rib due to cracks could result in loss of control of the airplane.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect each wing spar web in the area immediately outboard of the root rib per BAe Pup Mandatory SB B121/79, Revision 1. If cracks are found, obtain an FAA-approved repair scheme and incorporate it before further flight. If no cracks, modify the spar web with Repair Scheme BE.03.10169 and follow SB B121/79 steps 3.2.6 and 3.2.7 before further flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 1,300 hours time-in-service (TIS) or within the next 100 hours TIS after the effective date of this AD (April 30, 1992), whichever occurs later.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Beagle B121 Pup series 1, 2, and 3 (all serial numbers) airplanes without Modification No. BE.214 incorporated on both mainplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Wing/Fuselage Joint Plate

Applicability Source Text

Show captured applicability text from the source AD
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AD Number:
92-07-06
Document Type:
AD Final Rules
Docket Number:
91-CE-72-AD
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, ...Show more
Subject:
Wing/Fuselage Joint Plate
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/30/1992
Make:
DeHavilland Support Limited
Model:
Beagle B.121 Series 1 | Beagle B.121 Series 2 | Beagle B.121 Series 3
Product Type:
Aircraft
Product Subtype:
Small 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: 92-07-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-CE-72-AD

AMENDMENT:   39-8202

AD NUMBER:   92-07-06

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, and 3 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 30, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
92-07-06 BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED: Amendment 39-8202. Docket No. 91-CE-72-AD. Supersedes AD 83-07-01, Amendment 39-4598.

Applicability: Beagle B121 Pup series 1, 2, and 3 (all serial numbers) airplanes without Modification No. BE.214 incorporated on both mainplanes, certificated in any category.

NOTE 1: Modification No. BE.214 is a replacement of the wing/fuselage joint plate that is equivalent to the requirements of this AD action.

Compliance: Required upon the accumulation of 1,300 hours time-in-service (TIS) or within the next 100 hours TIS after the effective date of this AD, whichever occurs later, unless already accomplished.

NOTE 2: The requirements of this AD may have been accomplished in accordance with superseded AD 83-07-01, Amendment 39-4598.

To prevent failure of each wing spar, which could result in loss of control of the airplane, accomplish the following:

(a) Inspect each wing spar web in the area immediately outboard of the root rib by accomplishing paragraphs 3.2.2 through 3.2.4 of paragraph 3. ACTION in BAe Pup Mandatory Service Bulletin (SB) B121/79, Revision 1, dated February 15, 1991.

(1) If found cracked, prior to further flight, obtain an FAA-approved repair scheme from the manufacturer through the Brussels Aircraft Certification Office at the address specified in paragraph (d) of this AD, and incorporate this repair scheme.

(2) If cracks are not found, prior to further flight, modify each wing spar web by incorporating Repair Scheme BE.03.10169 in accordance with Drawing No. BE.03.10169, and accomplish paragraphs 3.2.6 and 3.2.7 of paragraph 3. ACTION in BAe Pup Mandatory SB B121/79, Revision 1, dated February 15, 1991.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Brussels Aircraft Certification Office, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, B-1000 Brussels, Belgium. The request should be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office.

(e) The inspection and modification required by this AD shall be done in accordance with British Aerospace Pup Mandatory Service Bulletin (SB) B121/79, Revision 1, dated February 15, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from British Aerospace, Regional Aircraft, Ltd., Manager Product Support, Prestwick Airport, Ayrshire, KA9 2RW Scotland. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 1100 L Street, NW, Room 8401, Washington, DC.

(f) This amendment (39-8202) supersedes AD 83-07-01, Amendment 39-4598.

(g) This amendment (39-8202, AD 92-07-06) becomes effective on April 30, 1992.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_92-07-06.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
92-07-06
Document Type:
AD Final Rules
Docket Number:
91-CE-72-AD
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, ...Show more
Subject:
Wing/Fuselage Joint Plate
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/30/1992
Make:
DeHavilland Support Limited
Model:
Beagle B.121 Series 1 | Beagle B.121 Series 2 | Beagle B.121 Series 3
Product Type:
Aircraft
Product Subtype:
Small 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: 92-07-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-CE-72-AD

AMENDMENT:   39-8202

AD NUMBER:   92-07-06

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED Beagle B121 Pup series 1, 2, and 3 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 30, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
92-07-06 BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED: Amendment 39-8202. Docket No. 91-CE-72-AD. Supersedes AD 83-07-01, Amendment 39-4598.

Applicability: Beagle B121 Pup series 1, 2, and 3 (all serial numbers) airplanes without Modification No. BE.214 incorporated on both mainplanes, certificated in any category.

NOTE 1: Modification No. BE.214 is a replacement of the wing/fuselage joint plate that is equivalent to the requirements of this AD action.

Compliance: Required upon the accumulation of 1,300 hours time-in-service (TIS) or within the next 100 hours TIS after the effective date of this AD, whichever occurs later, unless already accomplished.

NOTE 2: The requirements of this AD may have been accomplished in accordance with superseded AD 83-07-01, Amendment 39-4598.

To prevent failure of each wing spar, which could result in loss of control of the airplane, accomplish the following:

(a) Inspect each wing spar web in the area immediately outboard of the root rib by accomplishing paragraphs 3.2.2 through 3.2.4 of paragraph 3. ACTION in BAe Pup Mandatory Service Bulletin (SB) B121/79, Revision 1, dated February 15, 1991.

(1) If found cracked, prior to further flight, obtain an FAA-approved repair scheme from the manufacturer through the Brussels Aircraft Certification Office at the address specified in paragraph (d) of this AD, and incorporate this repair scheme.

(2) If cracks are not found, prior to further flight, modify each wing spar web by incorporating Repair Scheme BE.03.10169 in accordance with Drawing No. BE.03.10169, and accomplish paragraphs 3.2.6 and 3.2.7 of paragraph 3. ACTION in BAe Pup Mandatory SB B121/79, Revision 1, dated February 15, 1991.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Brussels Aircraft Certification Office, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, B-1000 Brussels, Belgium. The request should be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office.

(e) The inspection and modification required by this AD shall be done in accordance with British Aerospace Pup Mandatory Service Bulletin (SB) B121/79, Revision 1, dated February 15, 1991. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from British Aerospace, Regional Aircraft, Ltd., Manager Product Support, Prestwick Airport, Ayrshire, KA9 2RW Scotland. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 1100 L Street, NW, Room 8401, Washington, DC.

(f) This amendment (39-8202) supersedes AD 83-07-01, Amendment 39-4598.

(g) This amendment (39-8202, AD 92-07-06) becomes effective on April 30, 1992.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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