AD 72-25-03
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
Cracks in the main landing gear trunnion support beam made from 7079-T6 material could result in failure of the beam, leading to loss of the main landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect all main landing gear beams using ultrasonic and eddy-current methods per specified Boeing service bulletins and nondestructive test documents. Replace beams with redesigned part number 65-62335 by specific deadlines (July 1, 1973 or January 1, 1974) unless reworked or inspected as per AD.
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Compliance Time
Within 600 hours time in service or 90 days from the effective date of this AD, whichever occurs first, and at intervals not exceeding 600 hours time in service or 90 days. Replacement deadlines are July 1, 1973 or January 1, 1974 depending on beam type.
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Affected Aircraft
Boeing Model 727 Series Airplanes (all variants including 727-100, 727-100C, 727-200, 727-200F) with main landing gear beams made from 7079-T6 material, excluding parts nos. 65-16230-23, -24, -25, -26 and beams sleeved per Boeing SB 57-122.
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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