AD 69-20-07
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 |
Unsafe Condition
Malfunction of the flap operating system due to restricted freedom of movement in the universal joint pins or bolts of the wing flap connecting shaft assembly (P/N 27-727944-1).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the universal joint at each end of the wing flap connecting shaft assembly (P/N 27-727944-1) to ensure freedom of movement in all axes. Remove and replace deficient universal joint pins or bolts before further flight if movement is not determinable. Report findings to the FAA Eastern Region as specified.
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Compliance Time
within 15 hours time in service after the effective date of this airworthiness directive unless already accomplished within the last 25 hours time in service
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Affected Aircraft
Fairchild-Hiller Model F-27 (all variants: F-27, F-27A, F-27B, F-27F, F-27G, F-27J, F-27M) and FH-227 (all variants: FH-227, 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.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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