AD 75-19-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-100B Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-100B SUD Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-200B Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-200C Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-200F Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-400 Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-400D Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747-400F Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747SP Series | BOEING Model 747 Series Aircraft |
| aircraft | The Boeing Company | 747SR Series | BOEING Model 747 Series Aircraft |
Unsafe Condition
Failure of the lavatory fire capacitor assembly could result in a lavatory fire.
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Required Actions
Remove the capacitor assembly from the toilet flush motor and cap exposed wires in accordance with Boeing Service Bulletin 747-38-2021 or later FAA-approved revisions.
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Compliance Time
Within 300 hours time in service from the effective date of this AD
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Affected Aircraft
Boeing Model 747 series aircraft certificated in all categories
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Federal Register Abstract
Lavatory Fire Capacitor Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-19-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-19-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 747 Series Aircraft Subject: Lavatory Fire Capacitor Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/19/1975 Make: The Boeing Company Model: 747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more 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: 75-19-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2366 AD NUMBER: 75-19-03 SUBJECT HEADING: BOEING Model 747 Series Aircraft ACTION: SUMMARY: DATES: Effective September 19, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-19-03 BOEING: Amendment 39-2366. Applies to all Boeing Model 747 series aircraft certificated in all categories. Compliance required as indicated unless already accomplished. To prevent possible lavatory fire, accomplish the following: Within 300 hours time in service from the effective date of this AD, unless already accomplished, remove capacitor assembly from toilet flush motor and cap exposed wires in accordance with Boeing Service Bulletin 747-38-2021, or later FAA approved revisions, or in a manner approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Company, P. O. Box 3707, Seattle, Washington 98124. The documents may also be examined at FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective September 19, 1975. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_75-19-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-19-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 747 Series Aircraft Subject: Lavatory Fire Capacitor Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/19/1975 Make: The Boeing Company Model: 747-100 Series | 747-100B Series | 747-100B SUD Series | 747-200B Series | 747-200C Series | 747-200...Show more 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: 75-19-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2366 AD NUMBER: 75-19-03 SUBJECT HEADING: BOEING Model 747 Series Aircraft ACTION: SUMMARY: DATES: Effective September 19, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-19-03 BOEING: Amendment 39-2366. Applies to all Boeing Model 747 series aircraft certificated in all categories. Compliance required as indicated unless already accomplished. To prevent possible lavatory fire, accomplish the following: Within 300 hours time in service from the effective date of this AD, unless already accomplished, remove capacitor assembly from toilet flush motor and cap exposed wires in accordance with Boeing Service Bulletin 747-38-2021, or later FAA approved revisions, or in a manner approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Company, P. O. Box 3707, Seattle, Washington 98124. The documents may also be examined at FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective September 19, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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