AD 69-04-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus Aircraft Limited | PC-6 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6-H1 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6-H2 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350-H1 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350-H2 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A-H1 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A-H2 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/B-H2 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/B1-H2 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/C-H2 | Airworthiness Directives; Pilatus Model PC-6 Airplanes |
Unsafe Condition
Fatigue failure of the forward aileron mass balance attachment bolt P/N N-116 M5X40 (932.11.41.39).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the forward aileron mass balance attachment bolt on left and right ailerons with new bolts of the same part number supplied by Pilatus Aircraft Works or Fairchild Hiller Corporation after April 15, 1968, following Pilatus Service Bulletins No. 81 and 81A or later Swiss Federal Air Office-approved issue or FAA approved equivalent.
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 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
Pilatus Aircraft Limited Model PC-6 airplanes, Serial Numbers 342 through 675, 2001 through 2009, 2012 through 2018, 2025 through 2035, 2040 and 2041.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron Balance Bolt
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-04-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-04-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6 Airplanes Subject: Aileron Balance Bolt Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/14/1969 Make: Pilatus Aircraft Limited Model: PC-6 | PC-6-H1 | PC-6-H2 | PC-6/350 | PC-6/350-H1 | PC-6/350-H2 | PC-6/A | PC-6/A-H1 | PC-6/A-H2 | P...Show more 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 69-04-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-720 AD NUMBER: 69-04-04 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6 Airplanes ACTION: SUMMARY: DATES: Effective February 14, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-04-04 PILATUS: Amdt. 39-720. Applies to Model PC-6 airplanes, Serial Numbers 342 through 675, 2001 through 2009, 2012 through 2018, 2025 through 2035, 2040 and 2041. Compliance required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To prevent fatigue failure of the forward aileron mass balance attachment bolt P/N N-116 M5X40 (932.11.41.39), replace bolt on left and right aileron with new bolts of the same part number that have been supplied by the Pilatus Aircraft Works, Stans, Switzerland or Fairchild Hiller Corporation, Hagerstown, Maryland, after April 15, 1968 in accordance with Pilatus Service Bulletins No. 81 and 81A or later Swiss Federal Air Office-approved issue or an FAA approved equivalent. This amendment becomes effective February 14, 1969. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_69-04-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-04-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6 Airplanes Subject: Aileron Balance Bolt Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/14/1969 Make: Pilatus Aircraft Limited Model: PC-6 | PC-6-H1 | PC-6-H2 | PC-6/350 | PC-6/350-H1 | PC-6/350-H2 | PC-6/A | PC-6/A-H1 | PC-6/A-H2 | P...Show more 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 69-04-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-720 AD NUMBER: 69-04-04 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6 Airplanes ACTION: SUMMARY: DATES: Effective February 14, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-04-04 PILATUS: Amdt. 39-720. Applies to Model PC-6 airplanes, Serial Numbers 342 through 675, 2001 through 2009, 2012 through 2018, 2025 through 2035, 2040 and 2041. Compliance required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To prevent fatigue failure of the forward aileron mass balance attachment bolt P/N N-116 M5X40 (932.11.41.39), replace bolt on left and right aileron with new bolts of the same part number that have been supplied by the Pilatus Aircraft Works, Stans, Switzerland or Fairchild Hiller Corporation, Hagerstown, Maryland, after April 15, 1968 in accordance with Pilatus Service Bulletins No. 81 and 81A or later Swiss Federal Air Office-approved issue or an FAA approved equivalent. This amendment becomes effective February 14, 1969. 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.
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