AD 58-26-03

final rule
Data completeness: 60%

Airworthiness Directives; Fairchild All Model F-27 Aircraft

AD Number
58-26-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

500 hours

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Fairchild all model F-27 aircraft (F-27, F-27A, F-27B, F-27F, F-27G, F-27J, F-27M)

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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