AD 83-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sundance Balloons (US) | AX-6 | Airworthiness Directives; PICCARD Model AX-6 Balloons |
Unsafe Condition
The propane jet orifice size may allow prolonged pilot light extinguishment after shutoff, potentially damaging the main fuel system modified per General Balloon Corporation Service Letter No. 8 or AD 82-13-02.
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Required Actions
Modify propane jet part numbers 5041-X10, 8201-23, or GBC 156 by drilling a #65 drill (.035 inch diameter) orifice. If installed, modify or replace blast valve handle P/N 5041-7 with P/N PSP 608. Remove or modify main fuel quick-shutoff valve if present, following Don Piccard Balloons Service Letters No. 9 and 10. Equivalent compliance may be approved by the Chicago Aircraft Certification Office.
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Compliance Time
Within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished.
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Affected Aircraft
PICCARD Model AX-6 balloons certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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