AD 2007-18-05

final rule
Data completeness: 70%

Airworthiness Directives; Societe de Motorisations Aeronautiques (SMA) SR305-230 and SR305-230-1 Reciprocating Engines

AD Number
2007-18-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-28365
FR Citation
72 FR 53935

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Societe de Motorisations Aeronautiques (SMA) SR305-230 and SR305-230-1 Reciprocating Engines

Unsafe Condition

Cracks on the exhaust collector assembly, particularly near the weld of the Turbine Inlet Temperature (TIT) probe support, can lead to failure of the engine primary exhaust, resulting in loss of engine manifold pressure and engine power.

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Required Actions

Visually inspect the exhaust collector assembly in the area of the TIT probe mount weld for cracks within 30 hours time-since-new (TSN). Replace cracked exhaust collector assemblies with a serviceable part before further flight. Repeat inspections within 10 hours time-since-last inspection (TSLI). Replace the exhaust collector assembly with a serviceable part within 50 hours TSN. Continue to inspect and replace exhaust collector assemblies as specified.

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Compliance Time

Within 30 hours time-since-new (TSN) for initial inspection; before further flight for replacement of cracked parts; within 10 hours TSLI for repetitive inspections; within 50 hours TSN for replacement of the exhaust collector assembly.

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Affected Aircraft

Societe de Motorisations Aeronautiques (SMA) SR305-230 and SR305-230-1 reciprocating engines with exhaust collector assembly part number SF01080014-0, installed on, but not limited to, Cessna 182 series airplanes modified to supplemental type certificate AS03302AT.

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Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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