AD 83-19-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-38-112 | Airworthiness Directives; Piper Model PA-38-112 Airplanes |
Unsafe Condition
Possible inflight failure of the fin and stabilizer attachment because of fatigue damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and, if necessary, repair or modify the forward and aft fin spars in accordance with Piper Service Bulletin No. 763A. Repetitive inspections must be conducted at intervals not exceeding 100 hours time-in-service. Discontinue inspections after incorporating Piper Kit No. 764 965.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time-in-service on airplanes with 500+ hours on the AD's effective date, or upon accumulation of 525 hours time-in-service on airplanes with less than 500 hours on the effective date. Adjustments up to 10% of the interval are allowed for concurrent maintenance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-38-112 airplanes with serial numbers 38-78A0001 through 38-82A0122.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Forward and Aft Fin Spars Repair/Modification
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_83-19-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-19-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-38-112 Airplanes Subject: Forward and Aft Fin Spars Repair/Modification Status: Current Citation: This information is not available. Citation Publish Date: 09/23/1983 Effective Date: 09/29/1983 Make: Piper Aircraft Inc. Model: PA-38-112 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 83-19-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4727 AD NUMBER: 83-19-01 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-38-112 Airplanes ACTION: SUMMARY: DATES: Effective September 29, 1983. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-19-01 PIPER: Amendment 39-4727. Applies to Model PA-38-112 (S/Ns 38-78A0001 thru 38-82A0122) airplanes certificated in any category. Compliance: Required as indicated, unless already accomplished. To prevent possible inflight failure of the fin and stabilizer attachment because of fatigue damage, accomplish the following: a) Within the next 25 hours time-in-service on airplanes that have 500 or more hours time-in-service on the effective date of this AD, or upon the accumulation of 525 hours time-in-service on airplanes that have less than 500 hours time-in-service on the effective date of this AD, and at intervals not exceeding 100 hours time-in-service thereafter: 1) Inspect and, if necessary, repair or modify the forward and aft fin spars in accordance with the directions and criteria contained in the INSTRUCTIONS section of Piper Service Bulletin No. 763A dated July 25, 1983. b) The repetitive inspections required by this AD may be discontinued upon the incorporation of Piper Kit No. 764 965. c) The interval between the repetitive inspections required by this AD may be adjusted up to 10 percent of the specified interval to allow accomplishing these inspections concurrent with other scheduled maintenance of the airplane. d) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. e) An equivalent method of compliance with this AD may be used if approved by the Manager, New York Aircraft Certification Office, FAA, Room 202, 181 South Franklin Avenue, Valley Stream, New York 11581. This amendment becomes effective on September 29, 1983. FOOTER:
Document Text
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AD Final Rules - DRS_83-19-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-19-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-38-112 Airplanes Subject: Forward and Aft Fin Spars Repair/Modification Status: Current Citation: This information is not available. Citation Publish Date: 09/23/1983 Effective Date: 09/29/1983 Make: Piper Aircraft Inc. Model: PA-38-112 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 83-19-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4727 AD NUMBER: 83-19-01 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-38-112 Airplanes ACTION: SUMMARY: DATES: Effective September 29, 1983. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-19-01 PIPER: Amendment 39-4727. Applies to Model PA-38-112 (S/Ns 38-78A0001 thru 38-82A0122) airplanes certificated in any category. Compliance: Required as indicated, unless already accomplished. To prevent possible inflight failure of the fin and stabilizer attachment because of fatigue damage, accomplish the following: a) Within the next 25 hours time-in-service on airplanes that have 500 or more hours time-in-service on the effective date of this AD, or upon the accumulation of 525 hours time-in-service on airplanes that have less than 500 hours time-in-service on the effective date of this AD, and at intervals not exceeding 100 hours time-in-service thereafter: 1) Inspect and, if necessary, repair or modify the forward and aft fin spars in accordance with the directions and criteria contained in the INSTRUCTIONS section of Piper Service Bulletin No. 763A dated July 25, 1983. b) The repetitive inspections required by this AD may be discontinued upon the incorporation of Piper Kit No. 764 965. c) The interval between the repetitive inspections required by this AD may be adjusted up to 10 percent of the specified interval to allow accomplishing these inspections concurrent with other scheduled maintenance of the airplane. d) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. e) An equivalent method of compliance with this AD may be used if approved by the Manager, New York Aircraft Certification Office, FAA, Room 202, 181 South Franklin Avenue, Valley Stream, New York 11581. This amendment becomes effective on September 29, 1983. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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