AD 47-51-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bellanca Aircraft Corporation | 14-13 | Airworthiness Directives; Bellanca Model 14-13 Airplanes |
| aircraft | Bellanca Aircraft Corporation | 14-13-2 | Airworthiness Directives; Bellanca Model 14-13 Airplanes |
| aircraft | Bellanca Aircraft Corporation | 14-13-3 | Airworthiness Directives; Bellanca Model 14-13 Airplanes |
| aircraft | Bellanca Aircraft Corporation | 14-13-3W | Airworthiness Directives; Bellanca Model 14-13 Airplanes |
Unsafe Condition
The aluminum cabin heat control valve could allow an engine compartment fire to enter the fuselage through the firewall cabin heater opening.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the aluminum cabin heat control valve and replace it with a steel valve of new design Bellanca Drawing No. 15067-40.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than May 1, 1948
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bellanca Model 14-13 Serial Numbers 1060 Through 1513, 1545, 1548, 1551 Through 1560
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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