AD 80-15-13

final rule

Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters

AD Number
80-15-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters AS350B Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters
aircraft Airbus Helicopters AS350C Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters
aircraft Airbus Helicopters AS350D Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters
aircraft Airbus Helicopters AS350D1 Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters

Unsafe Condition

Incorrect installation of the rotating star drive adapter could result in vibration and premature wear of the rotating star bolts.

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

Required Actions

Measure the dimension between the spacer and the upper face of the rotating drive adapter at three locations spaced 120 degrees apart using a fixed length block and feeler gauge within 25 hours time in service after the effective date. Compare measurements and reposition the adapter if variation exceeds 0.039 inches (1 mm) as per Service Bulletin 65.01. Repeat steps after maintenance on the bolts.

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

Compliance Time

within 25 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

SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 series helicopters with main rotor assembly P/N 350A.37.0003, serial numbers M1 through M146 installed.

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

Federal Register Abstract

Rotating Drive Adapter

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_80-15-13.html
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AD Number:
80-15-13
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters
Subject:
Rotating Drive Adapter
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
07/24/1980
Effective Date:
08/07/1980
Make:
Airbus Helicopters
Model:
AS350B | AS350C | AS350D | AS350D1
Product Type:
Aircraft
Product Subtype:
Rotorcraft
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
AIR-700: Compliance & Airworthiness Division
Office of Primary Responsibility:
AIR-730: International Validation Branch
CFR Part Reference:
Part 39
Comments:
Updated RGL applicability to match AD applicability; CAR C-11-185 Docket No. 20546 Citation: https://www.govinfo.gov/app/details/FR-1980-07-24
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-15-13
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3856

AD NUMBER:   80-15-13

SUBJECT HEADING:   Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective August 7, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-15-13 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: Amendment 39- 3856. Applies to Model AS 350 series helicopters, certificated in all categories, which have main rotor assembly, P/N 350A.37.0003, serial numbers M1 through M146 installed.

Compliance required as indicated.

To rectify incorrect installation of the rotating star drive adapter which could result in vibration and premature wear of the rotating star bolts, accomplish the following:

(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished:

(1) Measure the dimension between the spacer and the upper face of the rotating drive adapter, P/N 350A.36.1119, at locations no more than 120 degrees apart using a fixed length block and a feeler gage.

(2) Compare the measurements.

(b) If the measurement comparison required in paragraph (a)(2) of this AD reveals a variation of 0.039 inches (1 mm) or less, return to service and comply with paragraph (d) of this AD.

(c) If the comparison required in paragraph (a)(2) of this AD reveals a variation in excess of 0.039 inches (1 mm), reposition the rotating star drive adapter perpendicular to the drive shaft in accordance with sub-paragraph 2. of paragraph C, "DESCRIPTION," of Aerospatiale (SNIAS) Service Bulletin No. 65.01, dated October 20, 1978, or an FAA-approved equivalent.

NOTE: The AS 350 Maintenance Manual Work Card No. 65.13.603 pertains to this same subject.

(d) Following any maintenance action on the rotating star drive adapter bolt, comply with paragraph (a)(1), (a)(2), and paragraph (b) or (c) of this AD.

(e) For a rotor assembly with a serial number M1 through M146, held as spare, comply with this AD at installation and release to service.

(f) For purposes of this AD, an FAA-approved equivalent may be approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, Brussels, Belgium.

This amendment becomes effective August 7, 1980.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-15-13.html
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Details
AD Number:
80-15-13
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters
Subject:
Rotating Drive Adapter
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
07/24/1980
Effective Date:
08/07/1980
Make:
Airbus Helicopters
Model:
AS350B | AS350C | AS350D | AS350D1
Product Type:
Aircraft
Product Subtype:
Rotorcraft
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
AIR-700: Compliance & Airworthiness Division
Office of Primary Responsibility:
AIR-730: International Validation Branch
CFR Part Reference:
Part 39
Comments:
Updated RGL applicability to match AD applicability; CAR C-11-185 Docket No. 20546 Citation: https://www.govinfo.gov/app/details/FR-1980-07-24
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-15-13
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3856

AD NUMBER:   80-15-13

SUBJECT HEADING:   Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE Model AS350 Series Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective August 7, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-15-13 SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE: Amendment 39- 3856. Applies to Model AS 350 series helicopters, certificated in all categories, which have main rotor assembly, P/N 350A.37.0003, serial numbers M1 through M146 installed.

Compliance required as indicated.

To rectify incorrect installation of the rotating star drive adapter which could result in vibration and premature wear of the rotating star bolts, accomplish the following:

(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished:

(1) Measure the dimension between the spacer and the upper face of the rotating drive adapter, P/N 350A.36.1119, at locations no more than 120 degrees apart using a fixed length block and a feeler gage.

(2) Compare the measurements.

(b) If the measurement comparison required in paragraph (a)(2) of this AD reveals a variation of 0.039 inches (1 mm) or less, return to service and comply with paragraph (d) of this AD.

(c) If the comparison required in paragraph (a)(2) of this AD reveals a variation in excess of 0.039 inches (1 mm), reposition the rotating star drive adapter perpendicular to the drive shaft in accordance with sub-paragraph 2. of paragraph C, "DESCRIPTION," of Aerospatiale (SNIAS) Service Bulletin No. 65.01, dated October 20, 1978, or an FAA-approved equivalent.

NOTE: The AS 350 Maintenance Manual Work Card No. 65.13.603 pertains to this same subject.

(d) Following any maintenance action on the rotating star drive adapter bolt, comply with paragraph (a)(1), (a)(2), and paragraph (b) or (c) of this AD.

(e) For a rotor assembly with a serial number M1 through M146, held as spare, comply with this AD at installation and release to service.

(f) For purposes of this AD, an FAA-approved equivalent may be approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, Brussels, Belgium.

This amendment becomes effective August 7, 1980.

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.