AD 77-11-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 278 | BEECH Model 278 Propellers |
| propeller | Textron Aviation Inc. | 278 | BEECH Model 278 Propellers |
Unsafe Condition
Cracks in the exposed thread runout area between the hex flats and the aft pitch setting nut of Beech P/N 278-336 pitch control bolts could lead to loss of propeller control.
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Required Actions
Inspect pitch control bolts using dye penetrant procedures within 100 hours' time in service after the last AD 69-26-04 inspection. Install Beech Kit No. 278-0002S with specified pitch control bolts and steel yoke within 100 hours' time in service after the AD's effective date. Equivalent methods require FAA approval.
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Compliance Time
Within 100 hours' time in service after the last inspection accomplished per AD 69-26-04 and within 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Beech Model 278 propellers installed on Models H35, J35, K35, M35, N35, P35, A45 (T34A), B45, and D45 (T34B) airplanes.
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Applicability Source Text
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AD Final Rules - DRS_77-11-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-11-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BEECH Model 278 Propellers Subject: Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/16/1977 Make: Textron Aviation Inc. Model: 278 Product Type: Propeller Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-11-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2913 AD NUMBER: 77-11-03 SUBJECT HEADING: BEECH Model 278 Propellers ACTION: SUMMARY: DATES: Effective July 16, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-11-03 BEECH: Amendment 39-2913. Applies to Model 278 propellers installed on Models H35, J35, K35, M35, N35, P35, A45 (T34A), B45 and D45 (T34B) airplanes. Compliance: Required as indicated, unless previously accomplished. To prevent loss of propeller control, accomplish the following: A) Within 100 hours' time in service after the last inspection accomplished per AD 69-26-04, using dye penetrant procedures, inspect Beech P/N 278-336 pitch control bolts for evidence of cracks in the exposed thread runout area between the hex flats and the aft pitch setting nut. If a crack is detected, install Beech Kit No. 278- 0002S incorporating Beech P/N 278-368-1 or -3 pitch control bolts and steel pitch control yoke, in accordance with Beechcraft Service Instructions 0302-248, or later approved revisions. B) Within 100 hours' time in service after the effective date of this AD, install Beech Kit No. 278- 0002S incorporating P/N 278-368-1 or -3 pitch control bolts and steel pitch control yoke, in accordance with Beechcraft Service Instructions 0302-248, or later approved revisions. C) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This AD supersedes AD 69-26-04 (Amendments 39-897 and 39-967). This amendment becomes effective July 16, 1977. FOOTER:
Document Text
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AD Final Rules - DRS_77-11-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-11-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BEECH Model 278 Propellers Subject: Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/16/1977 Make: Textron Aviation Inc. Model: 278 Product Type: Propeller Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 77-11-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2913 AD NUMBER: 77-11-03 SUBJECT HEADING: BEECH Model 278 Propellers ACTION: SUMMARY: DATES: Effective July 16, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-11-03 BEECH: Amendment 39-2913. Applies to Model 278 propellers installed on Models H35, J35, K35, M35, N35, P35, A45 (T34A), B45 and D45 (T34B) airplanes. Compliance: Required as indicated, unless previously accomplished. To prevent loss of propeller control, accomplish the following: A) Within 100 hours' time in service after the last inspection accomplished per AD 69-26-04, using dye penetrant procedures, inspect Beech P/N 278-336 pitch control bolts for evidence of cracks in the exposed thread runout area between the hex flats and the aft pitch setting nut. If a crack is detected, install Beech Kit No. 278- 0002S incorporating Beech P/N 278-368-1 or -3 pitch control bolts and steel pitch control yoke, in accordance with Beechcraft Service Instructions 0302-248, or later approved revisions. B) Within 100 hours' time in service after the effective date of this AD, install Beech Kit No. 278- 0002S incorporating P/N 278-368-1 or -3 pitch control bolts and steel pitch control yoke, in accordance with Beechcraft Service Instructions 0302-248, or later approved revisions. C) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This AD supersedes AD 69-26-04 (Amendments 39-897 and 39-967). This amendment becomes effective July 16, 1977. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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