AD Amdt-39-10815

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model Avro 146-RJ85A and RJ100A Series Airplanes

AD Number
Amdt-39-10815
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-235-AD
FR Citation
63 FR 53549

Applicability

TypeManufacturerModelDetails
aircraft British Aerospace Model Avro 146-RJ85A and RJ100A Series Airworthiness Directives; British Aerospace Model Avro 146-RJ85A and RJ100A Series Airplanes

Unsafe Condition

Machining (undercutting) into the web of the integral stringers of the bottom skin of the wings could result in reduced wing strength and stiffness and the onset of premature fatigue cracking.

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

Required Actions

Conduct a one-time inspection for evidence of machining (undercutting) into the web of the integral stringers of the bottom skin of the wings and perform corrective actions if necessary.

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

Compliance Time

Before further flight

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

Affected Aircraft

British Aerospace Model Avro 146-RJ85A and RJ100A series airplanes

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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