AD 64-14-03
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dornier-Werke GmbH | Dornier Luftfahrt GmbH | Do 28 A-1 | Airworthiness Directives; Dornier Model DO-28 Series Aircraft |
| aircraft | Dornier-Werke GmbH | Dornier Luftfahrt GmbH | Do 28 B-1 | Airworthiness Directives; Dornier Model DO-28 Series Aircraft |
| aircraft | Dornier-Werke GmbH | Dornier Luftfahrt GmbH | Do 28 D | Airworthiness Directives; Dornier Model DO-28 Series Aircraft |
| aircraft | Dornier-Werke GmbH | Dornier Luftfahrt GmbH | Do 28 D-1 | Airworthiness Directives; Dornier Model DO-28 Series Aircraft |
Unsafe Condition
The generator and battery relays remain inoperative with low battery voltage, leaving the electrical system without power supply.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within the next 50 hours' time in service, change the electrical wiring as specified by Dornier Technical Bulletin 28-6 dated December 7, 1962.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours' time in service
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Affected Aircraft
Dornier-Werke GmbH | Dornier Luftfahrt GmbH Model Do 28 A-1 | Do 28 B-1 | Do 28 D | Do 28 D-1 up to and including serial number 3060.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Electrical Installation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-14-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-14-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Dornier Model DO-28 Series Aircraft Subject: Electrical Installation Status: Current Citation: Federal Register: June 13, 1964 Citation Publish Date: 06/13/1964 Effective Date: 07/13/1964 Make: Dornier-Werke GmbH | Dornier Luftfahrt GmbH Model: Do 28 A-1 | Do 28 B-1 | Do 28 D | Do 28 D-1 Product Type: Aircraft Product Subtype: Small Airplane | Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-14-03 CITATION: [Federal Register: June 13, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-14-03 SUBJECT HEADING: Airworthiness Directives; Dornier Model DO-28 Series Aircraft ACTION: SUMMARY: DATES: Effective July 13, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-14-03 DORNIER: Amdt. 746 Part 507 Federal Register June 13, 1964. Applies to All Model DO-28 Aircraft Up to and Including Serial Number 3060. Compliance required as indicated. It has been found that the generator and battery relays remain inoperative with low battery voltage so that the electrical system remains without power supply. To correct this condition, accomplish the following: Within the next 50 hours' time in service, change the electrical wiring as specified by Dornier Technical Bulletin 28-6 dated December 7, 1962. (Dornier Technical Bulletin No. 28-6 dated December 7, 1962 covers this same subject.) This directive effective July 13, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-14-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-14-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Dornier Model DO-28 Series Aircraft Subject: Electrical Installation Status: Current Citation: Federal Register: June 13, 1964 Citation Publish Date: 06/13/1964 Effective Date: 07/13/1964 Make: Dornier-Werke GmbH | Dornier Luftfahrt GmbH Model: Do 28 A-1 | Do 28 B-1 | Do 28 D | Do 28 D-1 Product Type: Aircraft Product Subtype: Small Airplane | Small/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: 64-14-03 CITATION: [Federal Register: June 13, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-14-03 SUBJECT HEADING: Airworthiness Directives; Dornier Model DO-28 Series Aircraft ACTION: SUMMARY: DATES: Effective July 13, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-14-03 DORNIER: Amdt. 746 Part 507 Federal Register June 13, 1964. Applies to All Model DO-28 Aircraft Up to and Including Serial Number 3060. Compliance required as indicated. It has been found that the generator and battery relays remain inoperative with low battery voltage so that the electrical system remains without power supply. To correct this condition, accomplish the following: Within the next 50 hours' time in service, change the electrical wiring as specified by Dornier Technical Bulletin 28-6 dated December 7, 1962. (Dornier Technical Bulletin No. 28-6 dated December 7, 1962 covers this same subject.) This directive effective July 13, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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