AD 85-11-02 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) Series Airplanes |
Unsafe Condition
Elevator jamming which could result in loss of adequate aircraft control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect lower elevator surface by accessing through doors 3507 and 3608. Check initial running torque on nut (P/N H20-8 or LH7461T-080D) on rod end assembly (P/N 4918153-1) to ensure minimum 18 inch-pounds. If torque is insufficient, replace nut and retorque to 400 ±50 inch-pounds. Repeat inspections every 2500 flight hours or 12 months, whichever comes first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 300 flight hours after the effective date of this AD, unless already accomplished within the last 2500 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas DC-9-10, -20, -30, -40, -50, -80, and C-9 (Military) series airplanes (Fuselage Numbers 1 through 1242)
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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