AD 85-01-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; McDONNELL DOUGLAS DC-9 and C-9 (Military) Series Airplanes |
Unsafe Condition
Failures of the spoiler drive link(s), P/N 3923250-1, -501 and/or -503; and spoiler fitting(s), P/N 3923251-1 and/or -501.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform non-destructive inspection (NDI) per McDonnell Douglas NDT Manual TR 7-1 through 7-4 referenced in SB 27-228/229, or visually inspect exposed surfaces and areas around grease fittings, then transition to NDI. Replace cracked components with new parts per SB 27-240. Install placards and revise AFM with flap limitations and emergency procedures for spoiler float.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 300 flight hours or 300 cycles, whichever occurs first, and recurring intervals as specified. Placards and AFM revisions required within 30 days after effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas DC-9-10 through -50, DC-9-80 series, and C-9 (Military) series airplanes, fuselage numbers 1 through 1125.
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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