AD 88-25-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | P210N | Airworthiness Directives; Cessna Model T210L, T210M, T210N, P210N, and T303 Airplanes |
| aircraft | Cessna Aircraft Company | T210L | Airworthiness Directives; Cessna Model T210L, T210M, T210N, P210N, and T303 Airplanes |
| aircraft | Cessna Aircraft Company | T210M | Airworthiness Directives; Cessna Model T210L, T210M, T210N, P210N, and T303 Airplanes |
| aircraft | Cessna Aircraft Company | T210N | Airworthiness Directives; Cessna Model T210L, T210M, T210N, P210N, and T303 Airplanes |
| aircraft | Cessna Aircraft Company | T303 | Airworthiness Directives; Cessna Model T210L, T210M, T210N, P210N, and T303 Airplanes |
Unsafe Condition
Magneto moisture contamination could result in dual magneto failure, engine stoppage, and forced landing.
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Required Actions
Revise the AFM/POH by inserting the April 1, 1988 supplement, install a placard on the instrument panel, and inspect magnetos within 50 hours TIS after the effective date. Subsequent inspections at intervals not exceeding 100 hours TIS (for hire) or annual inspections (FAR 91).
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Compliance Time
Within the next 50 hours time-in-service (TIS) after the effective date of this AD
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Affected Aircraft
Cessna Models T210L, T210M, T210N, P210N, and T303 (all serial numbers) equipped with Slick Model 6220 or 6224 pressurized magnetos.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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