AD 65-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | BOEING: Model 727 Series Airplanes |
Unsafe Condition
Failure of the thrust reverser lockout actuator piston (P/N 65-37853-2) could result in inadvertent thrust reversing from failure to the locking pin.
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Required Actions
Replace the thrust reverser lockout actuator piston, P/N 65-37853-2, with P/N 65-37853-3 on each engine, following Boeing Alert Service Bulletin No. 78-18 or later FAA-approved revision, or an equivalent approved by the FAA.
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Compliance Time
within the next 600 hours' time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
Boeing Model 727 Series Airplanes including 727-100, 727-100C, 727-200, 727-200F, 727 Series, and 727C Series
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Federal Register Abstract
Thrust Reverser
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_65-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING: Model 727 Series Airplanes Subject: Thrust Reverser Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/23/1965 Make: The Boeing Company Model: 727-100 Series | 727-100C Series | 727-200 Series | 727-200F Series | 727 Series | 727C Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-108 AD NUMBER: 65-17-01 SUBJECT HEADING: BOEING: Model 727 Series Airplanes ACTION: SUMMARY: DATES: Effective August 23, 1965. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-17-01 BOEING: Amdt. 39-108 Part 39 Federal Register July 24, 1965. Applies to Model 727 Series Airplanes. Compliance required within the next 600 hours' time in service after the effective date of this AD unless already accomplished. To prevent inadvertent thrust reversing from failure to the locking pin, replace the thrust reverser lockout actuator piston, P/N 65-37853-2, on each engine, with actuator piston, P/N 65- 37853-3, in accordance with Boeing Alert Service Bulletin No. 78-18, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region. This directive effective August 23, 1965. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_65-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING: Model 727 Series Airplanes Subject: Thrust Reverser Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/23/1965 Make: The Boeing Company Model: 727-100 Series | 727-100C Series | 727-200 Series | 727-200F Series | 727 Series | 727C Series Product Type: Aircraft Product Subtype: Large 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: 65-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-108 AD NUMBER: 65-17-01 SUBJECT HEADING: BOEING: Model 727 Series Airplanes ACTION: SUMMARY: DATES: Effective August 23, 1965. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-17-01 BOEING: Amdt. 39-108 Part 39 Federal Register July 24, 1965. Applies to Model 727 Series Airplanes. Compliance required within the next 600 hours' time in service after the effective date of this AD unless already accomplished. To prevent inadvertent thrust reversing from failure to the locking pin, replace the thrust reverser lockout actuator piston, P/N 65-37853-2, on each engine, with actuator piston, P/N 65- 37853-3, in accordance with Boeing Alert Service Bulletin No. 78-18, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region. This directive effective August 23, 1965. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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