AD 64-04-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pratt, Read & Co., Inc. | PR-G1 (Army TG-32, Navy LNE-1) | Airworthiness Directives; Pratt Read Model PR-G1 Gliders |
Unsafe Condition
Deteriorating condition of the wood structure supporting the aft elevator bellcrank, resulting in loss of elevator control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove stabilizer and elevators to access the aft internal fuselage area, visually inspect the wood bulkhead front and rear sides near the aft elevator bellcrank support using a light and mirror, repair or replace the bulkhead if deterioration is found before further flight, and ensure proper elevator function after repairs.
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Compliance Time
Within 25 hours' time in service after the effective date of this AD unless already accomplished within the last 75 hours' time in service, and at intervals thereafter not to exceed 100 hours' time in service from the last inspection, or one year, whichever occurs first.
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Affected Aircraft
Pratt, Read & Co., Inc. Model PR-G1 Gliders (Army TG-32, Navy LNE-1)
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Federal Register Abstract
Wood Bulkhead Inspection
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-04-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-04-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pratt Read Model PR-G1 Gliders Subject: Wood Bulkhead Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/13/1964 Make: Pratt, Read & Co., Inc. Model: PR-G1 (Army TG-32, Navy LNE-1) Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-04-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-04-06 SUBJECT HEADING: Airworthiness Directives; Pratt Read Model PR-G1 Gliders ACTION: SUMMARY: DATES: Effective March 13, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-04-06 PRATT READ: Amdt. 685 Part 507 Federal Register February 12, 1964. Applies to All Model PR-G1 Gliders. Compliance required as indicated. Due to a deteriorating condition of the wood structure supporting the aft elevator bellcrank, resulting in loss of elevator control, accomplish the following within 25 hours' time in service after the effective date of this AD unless already accomplished within the last 75 hours' time in service, and at intervals thereafter not to exceed 100 hours' time in service from the last inspection, or one year, whichever occurs first. (a) Remove the stabilizer and elevators and any other obstructing structure necessary to gain access to the aft internal fuselage area (tail cone section). (b) With the use of a light and mirror, visually inspect for deterioration both the front and rear side of the wood bulkhead in the vicinity of its support of the aft elevator bellcrank. (c) If indications of deterioration of the wood structure are found, repair that bulkhead in accordance with an FAA approved repair before further flight, or replace with a part having the same part number, or an FAA approved equivalent before further flight. NOTE: After installation of a new or repaired bulkhead, it should be ascertained that the elevator is functioning properly throughout the entire range. This directive effective March 13, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-04-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-04-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pratt Read Model PR-G1 Gliders Subject: Wood Bulkhead Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/13/1964 Make: Pratt, Read & Co., Inc. Model: PR-G1 (Army TG-32, Navy LNE-1) Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-04-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-04-06 SUBJECT HEADING: Airworthiness Directives; Pratt Read Model PR-G1 Gliders ACTION: SUMMARY: DATES: Effective March 13, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-04-06 PRATT READ: Amdt. 685 Part 507 Federal Register February 12, 1964. Applies to All Model PR-G1 Gliders. Compliance required as indicated. Due to a deteriorating condition of the wood structure supporting the aft elevator bellcrank, resulting in loss of elevator control, accomplish the following within 25 hours' time in service after the effective date of this AD unless already accomplished within the last 75 hours' time in service, and at intervals thereafter not to exceed 100 hours' time in service from the last inspection, or one year, whichever occurs first. (a) Remove the stabilizer and elevators and any other obstructing structure necessary to gain access to the aft internal fuselage area (tail cone section). (b) With the use of a light and mirror, visually inspect for deterioration both the front and rear side of the wood bulkhead in the vicinity of its support of the aft elevator bellcrank. (c) If indications of deterioration of the wood structure are found, repair that bulkhead in accordance with an FAA approved repair before further flight, or replace with a part having the same part number, or an FAA approved equivalent before further flight. NOTE: After installation of a new or repaired bulkhead, it should be ascertained that the elevator is functioning properly throughout the entire range. This directive effective March 13, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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