AD 80-17-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31 | Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-325 | Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-350 | Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes |
Unsafe Condition
Incorrect dimensions of elevator balance weights could compromise flutter integrity of the elevator system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect elevator balance weights for correct dimensions, install correct weights if necessary per SB 690 or equivalent, revise part numbers on both elevators per SB 690, and make maintenance record entry.
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 after the effective date of this AD unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-31, PA-31-325 (S/N 31-7401201 through 31-8012076, 31-8012078, 31-8012079), and PA-31-350 (S/N 31-7405401 through 31-8052169 and 31-8052172)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Balance Weights
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_80-17-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-17-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes Subject: Elevator Balance Weights Status: Current Citation: This information is not available. Citation Publish Date: 08/11/1980 Effective Date: 08/08/1980 Make: Piper Aircraft Inc. Model: PA-31 | PA-31-325 | PA-31-350 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: 80-17-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3872 AD NUMBER: 80-17-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes ACTION: SUMMARY: DATES: Effective August 8, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-17-02 PIPER AIRCRAFT CORPORATION: Amendment 39-3872. Applies to the following Piper models of airplanes certificated in all categories: PA-31 and PA-31-325, S/N 31-7401201 through 31-8012076, 31-8012078, and 31-8012079; and PA-31-350, S/N 31-7405401 through 31-8052169 and 31-8052172. Compliance is required within the next 50 hours time in service after the effective date of this AD unless already accomplished. To ensure flutter integrity of the elevator system, accomplish the following: (a) Inspect the elevator balance weights for correct dimensions, and, if necessary, install correct elevator balance weights in accordance with Piper Aircraft Corporation Service Bulletin No. 690, dated July 7, 1980, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. (b) Revise the part numbers on both elevators in accordance with Piper Aircraft Corporation Service Bulletin No. 690, dated July 7, 1980, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. (c) Make appropriate maintenance record entry. This amendment becomes effective August 8, 1980. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_80-17-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-17-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes Subject: Elevator Balance Weights Status: Current Citation: This information is not available. Citation Publish Date: 08/11/1980 Effective Date: 08/08/1980 Make: Piper Aircraft Inc. Model: PA-31 | PA-31-325 | PA-31-350 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: 80-17-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3872 AD NUMBER: 80-17-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes ACTION: SUMMARY: DATES: Effective August 8, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-17-02 PIPER AIRCRAFT CORPORATION: Amendment 39-3872. Applies to the following Piper models of airplanes certificated in all categories: PA-31 and PA-31-325, S/N 31-7401201 through 31-8012076, 31-8012078, and 31-8012079; and PA-31-350, S/N 31-7405401 through 31-8052169 and 31-8052172. Compliance is required within the next 50 hours time in service after the effective date of this AD unless already accomplished. To ensure flutter integrity of the elevator system, accomplish the following: (a) Inspect the elevator balance weights for correct dimensions, and, if necessary, install correct elevator balance weights in accordance with Piper Aircraft Corporation Service Bulletin No. 690, dated July 7, 1980, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. (b) Revise the part numbers on both elevators in accordance with Piper Aircraft Corporation Service Bulletin No. 690, dated July 7, 1980, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. (c) Make appropriate maintenance record entry. This amendment becomes effective August 8, 1980. 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
2023-09-09 Recurring
final ruleAirworthiness Directives; Various Airplanes, Helicopters, and Engines
Unsafe Condition: Multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to the turbocharger exhaust housing flange.
2022-03-15
final ruleAirworthiness Directives; Various Airplanes
Unsafe Condition: The displayed fuel quantity can have an error as much as four gallons/fuel tank with the display indicating four gallons with an empty tank. In the context of this event, the end level effect is th...
2017-10-20 Recurring
final ruleAirworthiness Directives; Piper Aircraft, Inc. Airplanes
Unsafe Condition: Fatigue cracking in the fuselage station (FS) 332.00 bulkhead common to the horizontal stabilizer front spar attachment.
2017-02-06 Recurring
final ruleAirworthiness Directives; Piper Aircraft, Inc. Airplanes
Unsafe Condition: Electrical arcing and possible inflight fire in an area not accessible by the crew, due to rubbing or chafing of electrical wires to adjacent structure or flammable fluid lines.