AD 76-01-10
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
The unsafe condition could occur if the left and right horizontal stabilizer trim tabs are not properly secured during maintenance, leading to unintended movement or failure of the trim system.
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Required Actions
Inspect the left and right horizontal stabilizer trim tabs for proper securing mechanisms. Install new securing devices if existing ones are inadequate. Revise the maintenance manual to include procedures for securing the trim tabs during maintenance.
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Compliance Time
Before the accumulation of 500 flight hours, flight cycles, or landings, whichever occurs first, after the effective date of this AD.
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Affected Aircraft
All McDonnell Douglas DC-10-10, -10F, -30, -30F, and -40 series airplanes, including all serial numbers within those model designators.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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