AD 58-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; Fairchild All Model F-27 Aircraft |
Unsafe Condition
Failures of the Westinghouse P/N 903J826, 903J826-2, 903J826-3 a.c. deicing generators have occurred in service, resulting in bearing support looseness or failed rivets in the mounting bracket.
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Required Actions
Inspect the Westinghouse P/N 903J826-4 generator at the first removal or by 500 hours, whichever comes first, to ensure the bearing support in the mounting bracket is secure with no looseness or failed rivets.
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Compliance Time
500 hours
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Affected Aircraft
Fairchild all model F-27 aircraft (F-27, F-27A, F-27B, F-27F, F-27G, F-27J, F-27M)
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Federal Register Abstract
Deicing Generator
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_58-26-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-26-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild All Model F-27 Aircraft Subject: Deicing Generator Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 58-26-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-26-03 SUBJECT HEADING: Airworthiness Directives; Fairchild All Model F-27 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-26-03 FAIRCHILD: Applies to all F-27 aircraft. Compliance required as indicated. A number of failures of the Westinghouse P/N 903J826, 903J826-2, 903J826-3 a.c. deicing generators have occurred in service. These generators have been replaced by an improved generator, J/N 903J826-4. Inspect Westinghouse P/N 903J826-4 at the first removal or by 500 hours, whichever comes first, to determine that the bearing support in the mounting bracket is secure with no evidence of looseness or failed rivets. (Fairchild Service Bulletin 24-1 cover this same subject.) FOOTER:
Document Text
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AD Final Rules - DRS_58-26-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-26-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild All Model F-27 Aircraft Subject: Deicing Generator Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M 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: 58-26-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-26-03 SUBJECT HEADING: Airworthiness Directives; Fairchild All Model F-27 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-26-03 FAIRCHILD: Applies to all F-27 aircraft. Compliance required as indicated. A number of failures of the Westinghouse P/N 903J826, 903J826-2, 903J826-3 a.c. deicing generators have occurred in service. These generators have been replaced by an improved generator, J/N 903J826-4. Inspect Westinghouse P/N 903J826-4 at the first removal or by 500 hours, whichever comes first, to determine that the bearing support in the mounting bracket is secure with no evidence of looseness or failed rivets. (Fairchild Service Bulletin 24-1 cover this same subject.) 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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