AD Amdt-39-10923

final rule
Data completeness: 70%

Airworthiness Directives; Cessna Aircraft Company Models 340A and 414A Airplanes

AD Number
Amdt-39-10923
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-CE-111-AD
FR Citation
63 FR 66420

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company Models 340A and 414A Airworthiness Directives; Cessna Aircraft Company Models 340A and 414A Airplanes

Unsafe Condition

Engine exhaust components in the WYE tube were manufactured without welds on critical parts adjacent to the firewall, potentially causing exhaust leaks.

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

Required Actions

Remove from service any P/N 9910299-25 or P/N 9910299-26 engine exhaust system WYE tube.

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

Cessna Aircraft Company Models 340A and 414A airplanes equipped with WYE tube, part number 9910299-25 or 9910299-26, in the engine exhaust system.

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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