FAA Demands Boeing 737 Tail Nut Checks for Safety
Published Date: 4/15/2025
Proposed Rule
Summary
If you own or work with Boeing 737 planes, listen up! The FAA found some loose or missing nuts on a key part that helps control the plane’s tail. They want you to check maintenance records and fix any problems quickly to keep flights safe—no delays, just smart safety moves.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Boeing 737 HSTA Record Review Required
The FAA proposes a new airworthiness directive for Boeing Model 737-600, -700, -700C, -800, -900, and -900ER airplanes after reports of under-torqued and missing nuts on the horizontal stabilizer trim actuator (HSTA) lower gimbal assembly. The proposed AD would require review of maintenance records to determine if an overhauled HSTA was inspected and if corrective actions were accomplished using specified service information, and would require applicable on-condition actions to address the unsafe condition.
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Key Dates
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