AD 65-26-02
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet Inc. | 23 | Airworthiness Directives; Lear Jet Model 23 Airplanes. |
Unsafe Condition
Shorting of wires could cause runaway aileron or stabilizer trim.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove control column covers with screws exceeding 3/8-inch length and rework as per Lear Jet instructions. Remove specified parts including lens, bracket, screws, and map light; cap and stow wires without replacement. Report inspection results to FAA.
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Compliance Time
before further flight
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Affected Aircraft
Lear Jet Model 23 Airplanes as specified in the directive.
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Federal Register Abstract
Control Column Covers
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_65-26-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-26-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Lear Jet Model 23 Airplanes. Subject: Control Column Covers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Learjet Inc. Model: 23 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-26-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-159 AD NUMBER: 65-26-02 SUBJECT HEADING: Airworthiness Directives; Lear Jet Model 23 Airplanes. ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-26-02 LEARJET: Amdt. 39-159 Part 39 Federal Register November 25, 1965. Applies to Model 23 Airplanes. Compliance required before further flight, unless already accomplished. To prevent runaway aileron or stabilizer trim due to shorting of wires, accomplish the following: (a) Remove two side screws holding control column covers, P/N 2315153-015 (Figure 59-7 Lear Parts Cat.). If screw length exceeds 3/8-inch, rework before further flight in accordance with Lear Jet Corporation instructions. (b) Remove lens, P/N 2315155-025; bracket, P/N 2315155-024; and two attaching screws (Figure 59-33-34-35, Lear Parts Catalog). Remove map light. Cap and stow map light wires. Do not replace any parts. Leave cavity open. If wiring in cavity is damaged, rework before further flight in accordance with Lear Jet Corporation instructions. (c) It is requested that the inspection results be reported by telegraph or telephone to FAA, CE-200, 4820 Troost Avenue, Kansas City, Missouri. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated November 17, 1965. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_65-26-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-26-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Lear Jet Model 23 Airplanes. Subject: Control Column Covers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Learjet Inc. Model: 23 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: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-26-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-159 AD NUMBER: 65-26-02 SUBJECT HEADING: Airworthiness Directives; Lear Jet Model 23 Airplanes. ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-26-02 LEARJET: Amdt. 39-159 Part 39 Federal Register November 25, 1965. Applies to Model 23 Airplanes. Compliance required before further flight, unless already accomplished. To prevent runaway aileron or stabilizer trim due to shorting of wires, accomplish the following: (a) Remove two side screws holding control column covers, P/N 2315153-015 (Figure 59-7 Lear Parts Cat.). If screw length exceeds 3/8-inch, rework before further flight in accordance with Lear Jet Corporation instructions. (b) Remove lens, P/N 2315155-025; bracket, P/N 2315155-024; and two attaching screws (Figure 59-33-34-35, Lear Parts Catalog). Remove map light. Cap and stow map light wires. Do not replace any parts. Leave cavity open. If wiring in cavity is damaged, rework before further flight in accordance with Lear Jet Corporation instructions. (c) It is requested that the inspection results be reported by telegraph or telephone to FAA, CE-200, 4820 Troost Avenue, Kansas City, Missouri. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated November 17, 1965. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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