AD 82-27-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-8-71 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series 70 Airplanes |
| aircraft | The Boeing Company | DC-8-72 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series 70 Airplanes |
| aircraft | The Boeing Company | DC-8-73 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series 70 Airplanes |
Unsafe Condition
Moisture freezing in the pitot lines in the turbo-compressor compartment may result in inaccurate airspeed information.
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Required Actions
Install pitot line strip heaters in accordance with McDonnell Douglas DC-8 Alert Service Bulletin A30-39, Revision 1, dated October 21, 1982, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office. Special flight permits may be issued to operate airplanes to a base for compliance. Alternate means of compliance may be used with approval.
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Compliance Time
Within 30 days after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model DC-8 Series 70 airplanes modified by Camma Corp. STC SA1343NM installing air cycle air conditioning systems.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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