AD 74-18-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | BOEING Model 727 Series Airplanes |
Unsafe Condition
Failure of the nose and main landing gear actuator aluminum feeder tubes could prevent complete extension of the landing gear and possible loss of aircraft control during landing roll.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect or replace nose and main landing gear actuator aluminum feeder tubes (P/N 69-14198-1 and 65-17971-1) per Boeing Service Bulletin 727-32-218 or equivalent method. Compliance methods include inspection for cracks, replacement with serviceable used or new tubes, or replacement with steel tubes (P/N 69-14198-2 and 65-17971-2).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before a total of 12,000 landings, or within the next 3,000 landings after the effective date of this AD, whichever comes last (for main gear actuators not overhauled/disassembled). For overhauled main gear actuators, compliance within specified landings based on total landings. For nose gear, compliance within specified landings based on total landings (e.g., 14,000 landings for main gear, 18,000 for nose gear under certain conditions).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 727 Series Airplanes including 727-100, 727-100C, 727-200, 727-200F, 727 Series, and 727C Series, all serial numbers.
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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