AD 85-22-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-10-15 | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-10-40F | Airworthiness Directives; McDONNELL DOUGLAS DC-10-10, -15, -30, -40, and KC-10A (Military) Series Airplanes |
Unsafe Condition
Loose engine mount bolts could result in loss of engine.
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Required Actions
Inspect engine-to-pylon forward and aft mounts for proper clamping and engine mount bolts per Alert Service Bulletin A71-133 within 30 days after the effective date. If a gap exceeds 0.002 inch, remove and replace bolts and nuts before further flight. Ensure bolts are torqued within limits and torque stripes painted, then conduct inspections every 90 days per Service Bulletin A73-133. Repetitive inspections may stop after modification per Service Bulletin 71-133, Revision 3.
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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-10-10, -15, -30, -40, and KC-10A (Military) series airplanes, Fuselage Numbers 1 through 388
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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