AD 98-13-12 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; Boeing Model 737, 747, 757, 767, and 777 Series Airplanes |
Unsafe Condition
Loose or missing fasteners connecting the pushrods to the rudder pedal assemblies could result in loss of rudder control, jamming of the rudder system, uncommanded movement of the rudder system, and reduced controllability of the airplane.
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Required Actions
Conduct a one-time inspection of the fasteners connecting the pushrods to the rudder pedal assemblies. Correct discrepancies by tightening nuts and bolts to specified torque limits, installing missing fasteners, replacing incorrectly installed fasteners, and reporting findings to FAA and Boeing.
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Compliance Time
Within 90 days after July
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Affected Aircraft
Boeing Model 737, 747, 757, 767, and 777 series airplanes listed in specified Alert Service Bulletins (ASB) 737-27A1212, 747-27A2368 (Rev 2), 757-27A0128, 767-27A0156, and 777-27A0029 (Rev 1).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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