AD 80-11-05 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes |
Unsafe Condition
Failure of the wing engine pylon structure and attachment could result in engine separation, leading to loss of control.
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Required Actions
Inspect, install, protect, and submit a pylon maintenance program as specified. Inspections include nondestructive testing of the pylon aft bulkhead, spherical bearings, and thrust links. Install steel thrust links replacing titanium ones on certain models. Protect pylon aft bulkhead lug from contact with clevis bolts. Submit a maintenance program for pylon inspections at intervals not exceeding 20,000 hours' time in service.
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Compliance Time
Before further flight, within 30 days following the effective date, at next pylon reinstallation after the effective date, or before the accumulation of specified hours' time in service, whichever comes sooner.
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Affected Aircraft
The Boeing Company DC-10-10, DC-10-10F, DC-10-30, DC-10-30F (KC-10A, KDC-10), and DC-10-40 series airplanes, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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