AD 78-10-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Unwanted propeller feathering due to chafing of electrical wiring between the proximity switch and main cable loom, loose clamps, or contact with engine case.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time in service after the effective date, visually inspect the electrical wiring for chafing, contact with engine case, and clamping security. If faults are found, correct them per Service Bulletin SD3-61-A03 before further flight. Within 500 hours time in service, accomplish Modification No. 5471 per Service Bulletin SD3-61-03.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time in service after the effective date of this AD, and within 500 hours time in service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
SHORT BROTHERS LIMITED Model SD3-30 airplanes, Serial Nos. SH3004 to SH3013 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Electrical Wiring
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-10-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-10-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Electrical Wiring Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/29/1978 Make: Short Brothers PLC Model: SD3-30 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-10-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3213 AD NUMBER: 78-10-02 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective May 29, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-10-02 SHORT BROTHERS LIMITED (Formerly Short Brothers & 78-10-02 Short Harland, Ltd.): Amendment 39-3213. Applies to Model SD3-30 airplanes, Serial Nos. SH3004 to SH3013 inclusive, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent unwanted propeller feathering, accomplish the following: (a) Within the next 50 hours time in service after the effective date of this AD, visually inspect the electrical wiring between the proximity switch and the main cable loom for chafing, contact with engine case, and for security of clamping. (b) If, during the inspection required by paragraph (a), chafing, loose clamps, or contact with engine is found, before further flight, except that the airplane may be flown in accordance with the provisions of FAR 21.197 and 21.199 to a base where the modifications required by this AD may be accomplished, correct the fault in accordance with paragraph 1.C.3. of Short Brothers Limited Service Bulletin No. SD3-61-A03, dated December 21, 1977, or an FAA-approved equivalent. (c) Within 500 hours time in service after the effective date of this AD, accomplish Short Brothers Limited Modification No. 5471 in accordance with Shorts Service Bulletin No. SD3-61-03, dated January 19, 1978 (pages 1 through 4 are dated January 19, 1977) or an FAA- approved equivalent. (d) Record the accomplishment of the AD in accordance with FAR 91.173. (e) Equivalent methods of compliance with this AD or adjustment of the inspection intervals required by this AD may be approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, 09667, if the request is submitted through an FAA Maintenance Inspector and contains substantiating data to justify the interval or method of compliance for that operator. This amendment becomes effective May 29, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-10-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-10-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Electrical Wiring Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/29/1978 Make: Short Brothers PLC Model: SD3-30 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: 78-10-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3213 AD NUMBER: 78-10-02 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective May 29, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-10-02 SHORT BROTHERS LIMITED (Formerly Short Brothers & 78-10-02 Short Harland, Ltd.): Amendment 39-3213. Applies to Model SD3-30 airplanes, Serial Nos. SH3004 to SH3013 inclusive, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent unwanted propeller feathering, accomplish the following: (a) Within the next 50 hours time in service after the effective date of this AD, visually inspect the electrical wiring between the proximity switch and the main cable loom for chafing, contact with engine case, and for security of clamping. (b) If, during the inspection required by paragraph (a), chafing, loose clamps, or contact with engine is found, before further flight, except that the airplane may be flown in accordance with the provisions of FAR 21.197 and 21.199 to a base where the modifications required by this AD may be accomplished, correct the fault in accordance with paragraph 1.C.3. of Short Brothers Limited Service Bulletin No. SD3-61-A03, dated December 21, 1977, or an FAA-approved equivalent. (c) Within 500 hours time in service after the effective date of this AD, accomplish Short Brothers Limited Modification No. 5471 in accordance with Shorts Service Bulletin No. SD3-61-03, dated January 19, 1978 (pages 1 through 4 are dated January 19, 1977) or an FAA- approved equivalent. (d) Record the accomplishment of the AD in accordance with FAR 91.173. (e) Equivalent methods of compliance with this AD or adjustment of the inspection intervals required by this AD may be approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, 09667, if the request is submitted through an FAA Maintenance Inspector and contains substantiating data to justify the interval or method of compliance for that operator. This amendment becomes effective May 29, 1978. 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.
Related Airworthiness Directives
2015-16-04
final ruleAirworthiness Directives; Kidde Graviner
Unsafe Condition: A fire extinguisher failed to operate when the activation lever was pressed, potentially leading to failure in the event of a fire.
2010-24-06
final ruleAirworthiness Directives; Short Brothers PLC Model SD3 Airplanes
Unsafe Condition: Failure modes associated with an unsafe condition in the Fuel Tank System, as identified in the systems safety analysis, could lead to an unacceptable probability of ignition risk if specific tasks...
2009-21-10 R1
final ruleAirworthiness Directives; AVOX Systems and B/E Aerospace Oxygen Cylinder Assemblies, as Installed on Various Transport Airplanes
Unsafe Condition: The rupture of a high-pressure gaseous oxygen cylinder due to insufficient strength characteristics from improper heat treatment, which could cause structural damage, rapid decompression, damage to...
2007-08-09
final ruleAirworthiness Directives; Short Brothers Model SD3-60 SHERPA, SD3-SHERPA, SD3-30, and SD3-60 Airplanes
Unsafe Condition: Stress corrosion cracking of SAE-AISI 303 stainless steel material in MS 21260 type cable end fittings, initiated by pitting corrosion, leading to potential failure of control cables and loss of cr...