AD 2011-21-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Aircraft Industries GmbH | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes With Supplemental Type Certificate (STC) SA03674AT |
Unsafe Condition
Damage around the VCS compressor mounting area found during maintenance inspections, resulting from excessive wear, which could lead to the air conditioner compressor disconnecting in the engine compartment, potentially causing engine stoppage or additional engine damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate the VCS system, pull and collar the compressor breaker with a placard stating 'INOP', remove the VCS compressor and associated mounting hardware, and revise the airplane weight and balance.
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Compliance Time
Within the next 100 hours time-in-service after installation of the VCS or within 30 days after November 16, 2011, whichever occurs later.
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Affected Aircraft
Diamond Aircraft Industries GmbH Model DA 40 airplanes, all serial numbers, equipped with vapor cycle system (VCS) cabin air conditioning installed per STC SA03674AT following DER Services Master Document List MDL-2006-020-1, Revisions C, D, E, or F.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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