AD 68-06-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 1A-522 | Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes |
| aircraft | Textron Aviation Inc. | DH.125 Series 3A | Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes |
Unsafe Condition
A fully asymmetric flap condition in the lift dump position
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the flap center hinge bolt with a self-retaining bolt P/N 3110-7681 in accordance with Hawker Siddeley Service Bulletin 27-49-(1894) Revision 2 or later ARB-approved revision.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 150 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
HAWKER SIDDELEY Model DH.125 airplanes, Series 1A, 1A/522 and 3A
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Flap Center Hinge Bolt
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_68-06-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-06-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes Subject: Flap Center Hinge Bolt Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/20/1968 Make: Textron Aviation Inc. Model: DH.125 Series 1A | DH.125 Series 1A-522 | DH.125 Series 3A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 68-06-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-566 AD NUMBER: 68-06-03 SUBJECT HEADING: Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes ACTION: SUMMARY: DATES: Effective April 20, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-06-03 HAWKER SIDDELEY: Amdt. 39-566. Applies to Model DH. 125 airplanes, Series 1A, 1A/522 and 3A. Compliance required as indicated. To prevent a fully asymmetric flap condition in the lift dump position, within the next 150 hours' time in service after the effective date of this AD, replace the flap center hinge bolt, P/Ns 25CF71, 25CF1837, 25CF2387 and 25CF2357, with a self-retaining bolt, P/N 3110-7681, in accordance with Hawker Siddeley Service Bulletin 27-49-(1894) Revision 2, dated November 27, 1967, or later ARB-approved revision or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region. This amendment becomes effective April 20, 1968. FOOTER:
Document Text
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AD Final Rules - DRS_68-06-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-06-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes Subject: Flap Center Hinge Bolt Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/20/1968 Make: Textron Aviation Inc. Model: DH.125 Series 1A | DH.125 Series 1A-522 | DH.125 Series 3A 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: 68-06-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-566 AD NUMBER: 68-06-03 SUBJECT HEADING: Airworthiness Directives; HAWKER SIDDELEY Model DH. 125 Airplanes ACTION: SUMMARY: DATES: Effective April 20, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-06-03 HAWKER SIDDELEY: Amdt. 39-566. Applies to Model DH. 125 airplanes, Series 1A, 1A/522 and 3A. Compliance required as indicated. To prevent a fully asymmetric flap condition in the lift dump position, within the next 150 hours' time in service after the effective date of this AD, replace the flap center hinge bolt, P/Ns 25CF71, 25CF1837, 25CF2387 and 25CF2357, with a self-retaining bolt, P/N 3110-7681, in accordance with Hawker Siddeley Service Bulletin 27-49-(1894) Revision 2, dated November 27, 1967, or later ARB-approved revision or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region. This amendment becomes effective April 20, 1968. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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