AD 76-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CT58-100-2 | GENERAL ELECTRIC COMPANY Models CT58-100-2, CT58-110-1, CT58-110-2, CT58-140-1, CT58-140-1, Series A/L and CT58-140-2 Engines |
| engine | General Electric Company | CT58-110-1 | GENERAL ELECTRIC COMPANY Models CT58-100-2, CT58-110-1, CT58-110-2, CT58-140-1, CT58-140-1, Series A/L and CT58-140-2 Engines |
| engine | General Electric Company | CT58-110-2 | GENERAL ELECTRIC COMPANY Models CT58-100-2, CT58-110-1, CT58-110-2, CT58-140-1, CT58-140-1, Series A/L and CT58-140-2 Engines |
| engine | General Electric Company | CT58-140-1 | GENERAL ELECTRIC COMPANY Models CT58-100-2, CT58-110-1, CT58-110-2, CT58-140-1, CT58-140-1, Series A/L and CT58-140-2 Engines |
| engine | General Electric Company | CT58-140-2 | GENERAL ELECTRIC COMPANY Models CT58-100-2, CT58-110-1, CT58-110-2, CT58-140-1, CT58-140-1, Series A/L and CT58-140-2 Engines |
Unsafe Condition
Failure of oil cooler-to-fuel filter hose due to corrosion or broken braiding.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove firesleeving and inspect for corrosion or broken braiding per GE Alert Service Bulletin No. A73-69 or equivalent. Replace rejected hoses with new hose P/N 37C300486P101, P/N 37C300486P102, or P/N 37C300486P103 with manufacture date of 1969 or later. Apply new firesleeving per GE Engine Overhaul Manual if inspection passes.
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Compliance Time
within the next thirty (30) days time in service after the effective date of this AD
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Affected Aircraft
General Electric Company CT58-100-2, CT58-110-1, CT58-110-2, CT58-140-1, CT58-140-1, Series A/L and CT58-140-2 engines with fuel system hose P/N 37C300486P101, P/N 37C300486P102, or P/N 37C300486P103 and identification band bearing a manufacture date of 1968 or earlier. Hoses with red/orange molded silicone firesleeving are excluded.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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