AD Amdt-39-10509
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short | Brothers Model SD3-30 and SD3-60 Series | Airworthiness Directives; Short Brothers Model SD3-30 and SD3-60 Series Airplanes Equipped With Fire Fighting Enterprises (U.K.) Ltd. Fire Extinguishers |
Unsafe Condition
Fire extinguishers are not discharging properly because they do not fit correctly with the adapter, and triggers on these extinguishers are failing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace covers for fire extinguisher adapter assemblies with swivel-lock covers; replace nozzles and triggers with better fitting nozzles and stronger triggers; install new fire extinguisher point placards; revise Airplane Flight Manual to instruct flight crew on new covers.
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
Short Brothers Model SD3-30 and SD3-60 series airplanes equipped with Fire Fighting Enterprises (U.K.) Ltd. fire extinguishers.
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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