AD 79-13-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airborne Manufacturing, Inc. | Dry Air Pumps | Airworthiness Directives; AIRBORNE MANUFACTURING COMPANY Applies to Dry Air Pumps Installed on Piston Engine Aircraft |
Unsafe Condition
Catastrophic failure of the pump and subsequent loss of the vacuum system due to the specific part numbers and serial ranges listed in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove listed dry air pumps from service and replace with an airworthy pump of the same part number. An airworthy pump must have a serial number not listed or an 'A' or '2' ink stamped in black ink on the periphery near the mounting flange.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to next flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airborne Manufacturing, Inc. Dry Air Pumps with part numbers and serial ranges listed in the AD, installed on piston engine aircraft. Exempt if installed before May 15, 1979.
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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