AD 81-14-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer S.A. | EMB-110P1 | Airworthiness Directives; EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes |
| aircraft | Embraer S.A. | EMB-110P2 | Airworthiness Directives; EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes |
Unsafe Condition
Failure of the rudder upper hinge support and associated structure of the vertical stabilizer.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the two existing rudder leading edge fairings adjacent to the rudder upper hinge and conduct a dye-penetrant inspection of the entire rudder upper hinge support (fin side). Reinforce the support as per EMBRAER Service Bulletin 110-55-017 if no cracks or only small cracks in Area 'A' are found. Replace the support with P/N 110-3348 if cracks are found in other areas, following the same service bulletin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours time in service after the effective date of the AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Embraer S.A. Models EMB-110P1 and EMB-110P2, Serial Numbers 110001 through 110226, certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rudder Upper Hinge Support
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-14-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-14-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes Subject: Rudder Upper Hinge Support Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/01/1981 Make: Embraer S.A. Model: EMB-110P1 | EMB-110P2 Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-14-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4145 AD NUMBER: 81-14-01 SUBJECT HEADING: Airworthiness Directives; EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes ACTION: SUMMARY: DATES: Effective July 1, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-14-01 EMBRAER: Amendment 39-4145. Models EMB-110P1 and EMB-110P2, Serial Numbers 110001 through 110226, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent failure of the rudder upper hinge support and associated structure of the vertical stabilizer, accomplish the following within the next 100 hours time in service after the effective date of the AD: (a) Remove the two existing rudder leading edge fairings adjacent to the rudder upper hinge and conduct a dye-penetrant inspection of the entire rudder upper hinge support (fin side). (b) If the inspection reveals no cracks or only small cracks limited to Area "A" (See Figure 1), reinforce the support as indicated in Figure 2 and in accordance with the instructions contained in EMBRAER Service Bulletin Number 110-55-017, dated December 11, 1980. (c) If one or more cracks are found in other areas of the hinge support, replace the rudder upper hinge support with a new support (P/N 110-3348) in accordance with the instructions contained in EMBRAER Service Bulletin Number 110-55-017, dated December 11, 1980. (d) Make appropriate maintenance record entry. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. This amendment becomes effective July 1, 1981. FOOTER:
Document Text
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AD Final Rules - DRS_81-14-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-14-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes Subject: Rudder Upper Hinge Support Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/01/1981 Make: Embraer S.A. Model: EMB-110P1 | EMB-110P2 Product Type: Aircraft Product Subtype: Small/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: 81-14-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4145 AD NUMBER: 81-14-01 SUBJECT HEADING: Airworthiness Directives; EMBRAER Models EMB-110P1 and EMB-110P2 Airplanes ACTION: SUMMARY: DATES: Effective July 1, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-14-01 EMBRAER: Amendment 39-4145. Models EMB-110P1 and EMB-110P2, Serial Numbers 110001 through 110226, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent failure of the rudder upper hinge support and associated structure of the vertical stabilizer, accomplish the following within the next 100 hours time in service after the effective date of the AD: (a) Remove the two existing rudder leading edge fairings adjacent to the rudder upper hinge and conduct a dye-penetrant inspection of the entire rudder upper hinge support (fin side). (b) If the inspection reveals no cracks or only small cracks limited to Area "A" (See Figure 1), reinforce the support as indicated in Figure 2 and in accordance with the instructions contained in EMBRAER Service Bulletin Number 110-55-017, dated December 11, 1980. (c) If one or more cracks are found in other areas of the hinge support, replace the rudder upper hinge support with a new support (P/N 110-3348) in accordance with the instructions contained in EMBRAER Service Bulletin Number 110-55-017, dated December 11, 1980. (d) Make appropriate maintenance record entry. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. This amendment becomes effective July 1, 1981. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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