AD 94-04-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-15 | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
| aircraft | The Boeing Company | DC-10-40F | Airworthiness Directives; McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, and -40F Series Airplanes, and Model KC-10A (Military) Airplanes |
Unsafe Condition
Failure of the No. 2 engine pylon lower spar forward mount and thrust link fitting attach bolts due to stress corrosion could reduce the fail-safe capability of the attachment assembly.
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Required Actions
Perform an ultrasonic inspection within 12 months after the effective date to detect cracking in H-11 material bolts. Replace cracked bolts with Inconel bolts within 5 years after the effective date, or continue inspections every 18 months until Inconel replacement is done.
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Compliance Time
Within 12 months after the effective date of this AD, and thereafter at intervals not to exceed 18 months until Inconel replacement is accomplished. The final replacement must be done within 5 years after the effective date.
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Affected Aircraft
McDonnell Douglas Model DC-10-10, -10F, -15, -30, -30F, -40, -40F series airplanes, and KC-10A (military) airplanes with fuselage numbers 1 through 374 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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