AD 47-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Univair Aircraft Corporation | 415-C | Airworthiness Directives; ERCO Model All 415 Series Aircraft |
| aircraft | Univair Aircraft Corporation | 415-CD | Airworthiness Directives; ERCO Model All 415 Series Aircraft |
| aircraft | Univair Aircraft Corporation | 415-D | Airworthiness Directives; ERCO Model All 415 Series Aircraft |
Unsafe Condition
Fuel pump lines near the pump may fail and leak due to chafing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fuel pump lines immediately and at each 25 hours thereafter until alteration is completed. Alter fuel pump lines by rotating the pump top 120 degrees clockwise, replacing fittings with specified elbows, drilling holes in the engine cooling baffle, installing grommets and hose clamps, and routing hoses through the holes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Inspection to be accomplished immediately, alteration to be made not later than the next periodic inspection.
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Affected Aircraft
ERCO Model All 415 Series Aircraft up to and including serial number 3642 with fuel pumps having a metal filter bowl and bearing AC P/N 1539076 on the pump mounting flange.
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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