AD 98-09-04

final rule
Data completeness: 70%

Airworthiness Directives; Aerospatiale Model ATR72 Series Airplanes

AD Number
98-09-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
97-NM-263-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 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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