AD 2008-12-01

final rule
Data completeness: 80%

Airworthiness Directives; Cessna Aircraft Company Model 525 Airplanes

AD Number
2008-12-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-0306
FR Citation
73 FR 32987

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company Model 525 Airworthiness Directives; Cessna Aircraft Company Model 525 Airplanes

Unsafe Condition

Missing firewall sealant between the aft firewall assembly and seal assembly could result in failure of the fire extinguishing system to prevent the spread of fire through the firewall gap.

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

Required Actions

Inspect for missing firewall sealant between the aft firewall assembly and seal assembly. If missing, seal with firewall sealant between the aft firewall assembly and seal assembly.

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 Model 525 airplanes where firewall sealant may not have been applied between the aft firewall assembly and seal assembly during manufacture.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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