AD 98-09-04
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 lower fuselage structure around the fastener holes in the area of the side brace fitting near frame 25 on the left- and right-hand sides.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time high frequency eddy current inspection to detect cracking and modify crack-free fastener holes as required by specified service bulletins. Repair any cracks or oversize holes found before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of 17,500 total flight cycles, or within 500 flight cycles after the effective date of this AD, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aerospatiale Model ATR72 series airplanes on which Modification 2879 or Modification 2628 has not been incorporated, 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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