AD 98-03-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-600 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-700 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 737-800 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; Boeing Model 737, 747, 757, and 767 Series Airplanes |
Unsafe Condition
Misalignment of the seat tracks and failure of the pilots' seat locks to fully engage could cause uncommanded movement of the pilots' seats during acceleration and take-off, leading to reduced controllability of the airplane.
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Required Actions
Perform a one-time operational test of the pilots' seat locks and seat tracks to ensure the lock pin fully engages in all positions and re-align the seat tracks if necessary, following specified Boeing service bulletins.
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Compliance Time
Within 90 days after July 31, 1997
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Affected Aircraft
Boeing Model 737, 747, 757, and 767 series airplanes equipped with non-powered IPECO pilots' seats, with serial numbers: 737 (1-2836), 747 (1-1104), 757 (1-731), 767 (1-642)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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