AD 2014-22-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Various | Restricted Category | Airworthiness Directives; Various Restricted Category Helicopters |
Unsafe Condition
A crack in the main rotor mast, which could result in failure of the mast and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 90 days, inspect the mast areas as specified for pitting, corrosion, or cracks, and overhaul the mast assembly with magnetic particle inspection. Fluorescent penetrant inspect the locking plate. If a crack, pitting, or corrosion is found, replace the mast before further flight.
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Compliance Time
Within 90 days, unless previously accomplished within the last 12 months, and thereafter at intervals not exceeding 1,200 hours time-in-service or 3 years, whichever occurs earlier.
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Affected Aircraft
Arrow Falcon Exporters, Inc. (AFE), Rotorcraft Development Corporation (RDC), and San Joaquin Helicopters (SJH) Model OH-58A, OH-58A+, and OH-58C helicopters, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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