AD 94-08-12

final rule
Data completeness: 70%

Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes

AD Number
94-08-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
93-NM-184-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.