AD 67-30-04

final rule

Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes

AD Number
67-30-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft turbine engine assembly
Problem area Engine

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. DH.125 Series 1A Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes
aircraft Textron Aviation Inc. DH.125 Series 1A-522 Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes

Unsafe Condition

Engine mount beam failure

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

Required Actions

Modify the engine mount beam by removing the foam filler, reinforcing the lower flanges at the outboard ends with bar inserts, and installing aluminum guard plates in accordance with Hawker Siddeley Service Bulletin 53-22-(1723), Revision 1 dated April 10, 1967, or later ARB-approved revision or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.

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

Compliance Time

within the next 500 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 Series 1A and 1A-522 Airplanes, Serial Numbers 25013 through 25104

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

Federal Register Abstract

Engine Mount Beam Failure

Applicability Source Text

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AD Final Rules - DRS_67-30-04.html
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Details
AD Number:
67-30-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes
Subject:
Engine Mount Beam Failure
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/11/1967
Make:
Textron Aviation Inc.
Model:
DH.125 Series 1A | DH.125 Series 1A-522
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Superseded AD: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Superseded By: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: 67-30-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-511

AD NUMBER:   67-30-04

SUBJECT HEADING:   Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 11, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-30-04 HAWKER SIDDELEY: Amdt. 39-511 Part 39 Federal Register November 10, 1967. Applies to Model DH-125 Series 1A and 1A-522 Airplanes, Serial Numbers 25013 through 25104.

Compliance required within the next 500 hours' time in service after the effective date of this AD, unless already accomplished.

To preclude the possibility of engine mount beam failure, modify the engine mount beam by removing the foam filler, reinforcing the lower flanges at the outboard ends with bar inserts and installing aluminum guard plates, in accordance with Hawker Siddeley Service Bulletin 53- 22-(1723). Revisions 1, dated April 10, 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 effective December 11, 1967.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_67-30-04.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
67-30-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes
Subject:
Engine Mount Beam Failure
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/11/1967
Make:
Textron Aviation Inc.
Model:
DH.125 Series 1A | DH.125 Series 1A-522
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: 67-30-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-511

AD NUMBER:   67-30-04

SUBJECT HEADING:   Airworthiness Directives; HAWKER SIDDELEY Model DH-125 Series 1A and 1A-522 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 11, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-30-04 HAWKER SIDDELEY: Amdt. 39-511 Part 39 Federal Register November 10, 1967. Applies to Model DH-125 Series 1A and 1A-522 Airplanes, Serial Numbers 25013 through 25104.

Compliance required within the next 500 hours' time in service after the effective date of this AD, unless already accomplished.

To preclude the possibility of engine mount beam failure, modify the engine mount beam by removing the foam filler, reinforcing the lower flanges at the outboard ends with bar inserts and installing aluminum guard plates, in accordance with Hawker Siddeley Service Bulletin 53- 22-(1723). Revisions 1, dated April 10, 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 effective December 11, 1967.

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.