AD 70-12-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227 | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227B | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227C | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227D | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227E | Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes |
Unsafe Condition
Over-travel of outboard flaps could result in uncontained failure of the screwjacks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install positive stops on the screwjacks by complying with applicable Fairchild Hiller Service Bulletin F-27-27-72 (for F-27 models) or FH-227-27-30 (for FH-227 models), or an equivalent method approved by the FAA. Compliance must be completed within 250 hours in service after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 250 hours in service after the effective date of this AD
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Affected Aircraft
Fairchild-Hiller Model F-27 (including F-27A, F-27B, F-27F, F-27G, F-27J, F-27M) and FH-227 (including FH-227B, FH-227C, FH-227D, FH-227E) airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Flap Jackscrew
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_70-12-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-12-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes Subject: Flap Jackscrew Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/19/1970 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227 | FH-227B | FH-227C | FH-227D | FH-227E 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: 70-12-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-996 AD NUMBER: 70-12-03 SUBJECT HEADING: Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes ACTION: SUMMARY: DATES: Effective June 19, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-12-03 FAIRCHILD-HILLER: Amdt. 39-996. Applies to F-27 and FH-227 type airplanes certificated in all categories. To assure that the outboard flaps are contained in the event of over-travel, by the addition of positive stops to the screwjacks, accomplish the following within the next 250 hours in service after the effective date of this AD, unless already accomplished. (a) Comply with the applicable Fairchild Hiller Service Bulletin, No. F-27-27-72 dated January 16, 1970, or No. FH-227-27-30 dated January 16, 1970, or later revision or equivalent method both approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (b) Upon request with substantiating data submitted through an FAA Maintenance Inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. This amendment is effective June 19, 1970. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_70-12-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-12-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes Subject: Flap Jackscrew Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/19/1970 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227 | FH-227B | FH-227C | FH-227D | FH-227E 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: 70-12-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-996 AD NUMBER: 70-12-03 SUBJECT HEADING: Airworthiness Directives; Fairchild-Hiller Model F-27 and FH-227 Airplanes ACTION: SUMMARY: DATES: Effective June 19, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-12-03 FAIRCHILD-HILLER: Amdt. 39-996. Applies to F-27 and FH-227 type airplanes certificated in all categories. To assure that the outboard flaps are contained in the event of over-travel, by the addition of positive stops to the screwjacks, accomplish the following within the next 250 hours in service after the effective date of this AD, unless already accomplished. (a) Comply with the applicable Fairchild Hiller Service Bulletin, No. F-27-27-72 dated January 16, 1970, or No. FH-227-27-30 dated January 16, 1970, or later revision or equivalent method both approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (b) Upon request with substantiating data submitted through an FAA Maintenance Inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. This amendment is effective June 19, 1970. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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