AD 83-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vulcanair S.p.A. | P 68 | Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes |
| aircraft | Vulcanair S.p.A. | P 68 Observer | Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes |
| aircraft | Vulcanair S.p.A. | P 68B | Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes |
| aircraft | Vulcanair S.p.A. | P 68C | Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes |
| aircraft | Vulcanair S.p.A. | P 68C-TC | Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes |
Unsafe Condition
Loosening of the stabilator support brackets due to insufficient torque on AN4-6A bolts attaching the horizontal stabilator torque tube support brackets to the fuselage frame.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check and correct torque of AN4-6A bolts to 0.9 to 0.950 Kpm (78 to 83 in. lbs). Aircraft may be flown under FAR 21.197 to a location for compliance. Equivalent methods require FAA approval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 50 hours time-in-service from the effective date of this AD
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Affected Aircraft
Vulcanair S.p.A. Models P68, P68B, P68C, P68C-TC, P68 Observer (all serial numbers up to S/N 289, excluding S/Ns 234, 256, 259, 269, and 288)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Torque Support Brackets
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_83-15-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-15-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes Subject: Torque Support Brackets Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/04/1983 Make: Vulcanair S.p.A. Model: P 68 | P 68 Observer | P 68B | P 68C | P 68C-TC Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 83-15-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4695 AD NUMBER: 83-15-04 SUBJECT HEADING: Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes ACTION: SUMMARY: DATES: Effective August 4, 1983. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-15-04 PARTENAVIA COSTRUZIONI AERONAUTICHE S.p.A.: Amendment 39- 4695. Applies to Models P68, P68B, P68C, P68C-TC and P68 Observer (all serial numbers (S/N) up to S/N 289, excluding S/Ns 234, 256, 259, 269, and 288) airplanes certificated in any category. Compliance: Required within 50 hours time-in-service from the effective date of this AD, unless already accomplished. To preclude loosening of the stabilator support brackets, accomplish the following: a) Check and correct, if necessary, the torque of the AN4-6A bolts which attach the horizontal stabilator torque tube support brackets to the fuselage frame (ref. Parts Catalog P68B, Figure No. 5.2, Item No. 33; or Parts Catalog P68C, Figure No. 5.3, Item No. 36). NOTE: The correct torque value for these bolts is 0.9 to 0.950 Kpm; 78 to 83 in. lbs. b) Aircraft may be flown in accordance with Federal Aviation Regulation 21.197 to a location where this AD can be accomplished. c) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium. Partenavia Service Bulletin No. 57 dated March 7, 1983, covers the subject matter of this AD. This amendment becomes effective on August 4, 1983. FOOTER:
Document Text
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AD Final Rules - DRS_83-15-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-15-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes Subject: Torque Support Brackets Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/04/1983 Make: Vulcanair S.p.A. Model: P 68 | P 68 Observer | P 68B | P 68C | P 68C-TC Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 83-15-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4695 AD NUMBER: 83-15-04 SUBJECT HEADING: Airworthiness Directives; Partenavia Model P68, P68B, P68C, P68C-TC and P68 Observer Series Airplanes ACTION: SUMMARY: DATES: Effective August 4, 1983. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-15-04 PARTENAVIA COSTRUZIONI AERONAUTICHE S.p.A.: Amendment 39- 4695. Applies to Models P68, P68B, P68C, P68C-TC and P68 Observer (all serial numbers (S/N) up to S/N 289, excluding S/Ns 234, 256, 259, 269, and 288) airplanes certificated in any category. Compliance: Required within 50 hours time-in-service from the effective date of this AD, unless already accomplished. To preclude loosening of the stabilator support brackets, accomplish the following: a) Check and correct, if necessary, the torque of the AN4-6A bolts which attach the horizontal stabilator torque tube support brackets to the fuselage frame (ref. Parts Catalog P68B, Figure No. 5.2, Item No. 33; or Parts Catalog P68C, Figure No. 5.3, Item No. 36). NOTE: The correct torque value for these bolts is 0.9 to 0.950 Kpm; 78 to 83 in. lbs. b) Aircraft may be flown in accordance with Federal Aviation Regulation 21.197 to a location where this AD can be accomplished. c) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium. Partenavia Service Bulletin No. 57 dated March 7, 1983, covers the subject matter of this AD. This amendment becomes effective on August 4, 1983. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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