AD 90-04-03

final rule

Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

AD Number
90-04-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
88-NM-214-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 The Boeing Company DC-10-10 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-10F Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-15 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-30 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-40 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-40F Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

Unsafe Condition

Fire resulting from an electrical short in the H and J lavatory overhead light assembly terminal caps.

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

Required Actions

Modify the overhead light assemblies in lavatories H and J per Service Bulletin 25-357 within 60 days. Inspect insulation blankets and foam insulating material in areas above and outboard of lavatories H and J within 60 days, and replace any contaminated material before further flight. Allow alternate compliance with FAA approval.

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

Compliance Time

Within 60 days after the effective date of this AD

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

Affected Aircraft

McDonnell Douglas Model DC-10 series airplanes equipped with lavatories H and J as listed in Service Bulletin 25-357 dated September 5, 1989.

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

Federal Register Abstract

Overhead Light Assemblies

Applicability Source Text

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AD Final Rules - DRS_90-04-03.html
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AD Number:
90-04-03
Document Type:
AD Final Rules
Docket Number:
88-NM-214-AD
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
Subject:
Overhead Light Assemblies
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/19/1990
Make:
The Boeing Company
Model:
DC-10-10 | DC-10-10F | DC-10-15 | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 | DC-10-40F
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: 90-04-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   88-NM-214-AD

AMENDMENT:   39-6506

AD NUMBER:   90-04-03

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 19, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-04-03 MCDONNELL DOUGLAS: Amendment 39-6506. Docket No. 88-NM-214-AD.

Applicability: McDonnell Douglas Model DC-10 series airplanes equipped with lavatories H and J, as listed in McDonnell Douglas Service Bulletin 25-357, dated September 5, 1989, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent fire resulting from an electrical short in the H and J lavatory overhead light assembly terminal caps, accomplish the following:

A. Within 60 days after the effective date of this AD, modify the overhead light assemblies in lavatories H and J, in accordance with the Accomplishment Instructions of McDonnell Douglas Service Bulletin 25-357, dated September 5, 1989.

B. Within 60 days after the effective date of this AD, inspect the insulation blankets and foam insulating material in the areas above lavatories H and J and in the areas outboard of lavatories H and J. Prior to further flight, replace any insulation blankets and/or foam insulating material which has been contaminated by passenger door drive chain lubricant.

C. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment, and then send it to the officer indicated above.

D. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director of Publications, C1-LOO (54-60). These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California 90806-2425.

This amendment (39-6506, AD 90-04-03) becomes effective on March 19, 1990.


FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_90-04-03.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
90-04-03
Document Type:
AD Final Rules
Docket Number:
88-NM-214-AD
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
Subject:
Overhead Light Assemblies
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/19/1990
Make:
The Boeing Company
Model:
DC-10-10 | DC-10-10F | DC-10-15 | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 | DC-10-40F
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: 90-04-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   88-NM-214-AD

AMENDMENT:   39-6506

AD NUMBER:   90-04-03

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 19, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
90-04-03 MCDONNELL DOUGLAS: Amendment 39-6506. Docket No. 88-NM-214-AD.

Applicability: McDonnell Douglas Model DC-10 series airplanes equipped with lavatories H and J, as listed in McDonnell Douglas Service Bulletin 25-357, dated September 5, 1989, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent fire resulting from an electrical short in the H and J lavatory overhead light assembly terminal caps, accomplish the following:

A. Within 60 days after the effective date of this AD, modify the overhead light assemblies in lavatories H and J, in accordance with the Accomplishment Instructions of McDonnell Douglas Service Bulletin 25-357, dated September 5, 1989.

B. Within 60 days after the effective date of this AD, inspect the insulation blankets and foam insulating material in the areas above lavatories H and J and in the areas outboard of lavatories H and J. Prior to further flight, replace any insulation blankets and/or foam insulating material which has been contaminated by passenger door drive chain lubricant.

C. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment, and then send it to the officer indicated above.

D. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director of Publications, C1-LOO (54-60). These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California 90806-2425.

This amendment (39-6506, AD 90-04-03) becomes effective on March 19, 1990.


FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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