AD 2001-12-12

final rule
Data completeness: 70%

Airworthiness Directives; Construcciones Aeronauticas, S.A. (CASA) Model CN-235 Series Airplanes

AD Number
2001-12-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-273-AD
FR Citation
66 FR 32729

Applicability

TypeManufacturerModelDetails
aircraft Construcciones Aeronauticas, S.A. (CASA) Model CN-235 Series Airworthiness Directives; Construcciones Aeronauticas, S.A. (CASA) Model CN-235 Series Airplanes

Unsafe Condition

Fatigue cracking of the fuselage between stations 11232 and 11740 and stringers P7 and P9, which could result in reduced structural integrity of the airplane.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install fuselage skin reinforcements between stations 11232 and 11740 and stringers P7 and P9, on both the right and left zones of the fuselage, in accordance with CASA Service Bulletin SB-235-53-40.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Prior to the accumulation of 15,000 total flight cycles.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Construcciones Aeronauticas, S.A. (CASA) Model CN-235 series airplanes, serial numbers C-041 and C-042, 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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