AD 94-08-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-101 | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-102 | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-201 | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-202 | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-211 | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-212 | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-212A | Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes |
Unsafe Condition
Fatigue cracking in the brake side half hub bearing housing area of Dunlop main landing gear wheels, part number AHA1752 Pre Mod 6, could lead to separation of the MLG wheel and tire from the axle.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct an eddy current inspection of Dunlop MLG wheels (part number AHA1752 Pre Mod 6) at the next tire change or within 60 days after the AD's effective date. Repeat inspections at every tire change until replacement with improved wheels (AHA1752 Post Mod 6 or AHA1890) is completed within 6 months. Replace wheels if cracking is found, using either improved part numbers to terminate inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date (June 6, 1994) or at the next tire change, whichever is later. Replacement of all AHA1752 Pre Mod 6 wheels must be done within 6 months after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aerospatiale Model ATR72 series airplanes equipped with Dunlop main landing gear wheels, part number AHA1752 Pre Mod 6, 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 8, 2026
Rights: U.S. Government Public Domain
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