AD 61-12-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-8-11 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-12 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-21 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-31 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-32 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-33 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-41 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-42 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-43 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
| aircraft | The Boeing Company | DC-8-51 | Airworthiness Directives; DOUGLAS All Model DC-8 Series Aircraft |
Unsafe Condition
A sheared rivet in rod assembly P/N 4719278 of the aileron shift mechanism in the left wheel well can cause loss of spoiler control, resulting in unintended extension of flight spoilers and a hazardous left wing heavy condition during takeoff.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct an operational check of the outboard spoiler control system before each flight, inspect for a sheared rivet in rod assembly P/N 4719278 if pressure drop is abnormal, replace the rivet or install rod assembly P/N 4719278-1 and spring P/N 4771197-1B per Douglas Drawing 5718924 'J' change if found sheared. Discontinue checks after completing the specified rework.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to each flight, and after any maintenance work on the outboard spoilers or control system before returning to service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Douglas DC-8 Series Aircraft models DC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33, DC-8-41, DC-8-42, DC-8-43, DC-8-51, etc.
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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