AD Amdt-39-9453
Unsafe Condition
Explosion during an overheat test due to lack of pressure relief and 3-phase safety devices.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a pressure relief valve and 3-phase safety devices on each Royal Inventum Company DR1 and DR6 series galley water heater.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Royal Inventum Company DR1 and DR6 Series Galley Water Heaters
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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