AD 93-22-06

final rule

Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes

AD Number
93-22-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
93-NM-99-AD
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

TypeManufacturerModelDetails
aircraft Airbus A300 B2-1A Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes
aircraft Airbus A300 B2-1C Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes
aircraft Airbus A300 B2-203 Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes
aircraft Airbus A300 B2K-3C Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes
aircraft Airbus A300 B4-103 Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes
aircraft Airbus A300 B4-203 Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes
aircraft Airbus A300 B4-2C Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes

Unsafe Condition

Liquid entering the generator control unit (GCU) could cause internal short circuits, resulting in GCU failure and subsequent loss of electrical generation capacity.

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

Required Actions

Install a protective cover over each GCU and install a drainage circuit in accordance with Airbus Industrie Service Bulletin A300-24-0082. Alternative methods of compliance or adjustments to compliance time may be approved by the FAA Manager, Standardization Branch.

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

Compliance Time

Within 6 months after the effective date of this AD

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

Affected Aircraft

AIRBUS Model A300 series airplanes excluding Model A300-600 series and A310 series; on which Airbus Modification 10361 has not been installed.

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

Federal Register Abstract

Generator Control Unit

Applicability Source Text

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AD Final Rules - DRS_93-22-06.html
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AD Number:
93-22-06
Document Type:
AD Final Rules
Docket Number:
93-NM-99-AD
Subject Heading:
Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Seri...Show more
Subject:
Generator Control Unit
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/17/1993
Make:
Airbus
Model:
A300 B2-1A | A300 B2-1C | A300 B2-203 | A300 B2K-3C | A300 B4-103 | A300 B4-203 | A300 B4-2C
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: 93-22-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   93-NM-99-AD

AMENDMENT:   39-8730

AD NUMBER:   93-22-06

SUBJECT HEADING:   Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 17, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-22-06 AIRBUS: Amendment 39-8730. Docket 93-NM-99-AD.

Applicability: Model A300 series airplanes, excluding Model A300-600 series airplanes and Model A310 series airplanes; on which Airbus Modification 10361 has not been installed; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent liquid from entering the generator control unit (GCU) and causing internal short circuits, which could result in the failure of the GCU and subsequent loss of electrical generation capacity, accomplish the following:

(a) Within 6 months after the effective date of this AD, install a protective cover over each GCU and install a drainage circuit, in accordance with Airbus Industrie Service Bulletin A300-24-0082, dated March 3, 1993.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(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) The installations shall be done in accordance with Airbus Industrie Service Bulletin A300-24-0082, dated March 3, 1993. 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 Airbus Industrie, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on December 17, 1993.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_93-22-06.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
93-22-06
Document Type:
AD Final Rules
Docket Number:
93-NM-99-AD
Subject Heading:
Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Seri...Show more
Subject:
Generator Control Unit
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/17/1993
Make:
Airbus
Model:
A300 B2-1A | A300 B2-1C | A300 B2-203 | A300 B2K-3C | A300 B4-103 | A300 B4-203 | A300 B4-2C
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: 93-22-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   93-NM-99-AD

AMENDMENT:   39-8730

AD NUMBER:   93-22-06

SUBJECT HEADING:   Airworthiness Directives; AIRBUS Model A300 Series Airplanes, excluding Model A300-600 and A310 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 17, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-22-06 AIRBUS: Amendment 39-8730. Docket 93-NM-99-AD.

Applicability: Model A300 series airplanes, excluding Model A300-600 series airplanes and Model A310 series airplanes; on which Airbus Modification 10361 has not been installed; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent liquid from entering the generator control unit (GCU) and causing internal short circuits, which could result in the failure of the GCU and subsequent loss of electrical generation capacity, accomplish the following:

(a) Within 6 months after the effective date of this AD, install a protective cover over each GCU and install a drainage circuit, in accordance with Airbus Industrie Service Bulletin A300-24-0082, dated March 3, 1993.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113.

(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) The installations shall be done in accordance with Airbus Industrie Service Bulletin A300-24-0082, dated March 3, 1993. 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 Airbus Industrie, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on December 17, 1993.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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