AD 71-25-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-8-11 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-12 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-21 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-31 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-32 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-33 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-41 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-42 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-43 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
| aircraft | The Boeing Company | DC-8-51 | Airworthiness Directives; MCDONNELL DOUGLAS DC-8 Series Airplanes |
Unsafe Condition
Failures of the main landing gear retract cylinder attach pin due to corrosion and cracks in the retract pin lock bolt hole, retract pin surface, and inner surface of the retract pin boss.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the retract pin lock bolt hole, retract pin surface, and inner surface of the retract pin boss for corrosion and cracks. Remove corrosion and rework affected areas, discard pins with cracks or corrosion. Reinstall uncorroded pins with moisture proof seal using PR 1436G sealant or equivalent, and apply Parker-O-Lube if boss is heated.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 3,000 hours' time in service after the effective date of this AD, unless already accomplished within the last 17,000 hours' time in service, and thereafter at each FAA approved normal gear overhaul period, but not to exceed 20,000 hours' time in service from the last inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
MCDONNELL DOUGLAS DC-8 Series Airplanes: all Model DC-8 Series Airplanes.
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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