FAA orders inspections of nearly 2,000 Boeing 737NGs
The FAA has issued an airworthiness directive requiring inspections of nearly 2,000 Boeing 737NG aircraft due to potential issues with the horizontal stabilizer mechanism. The order addresses concerns regarding pitch oscillations that could lead to a loss of control.
Why it matters
This directive impacts a large fleet of widely used commercial aircraft, highlighting ongoing safety oversight in the aviation industry.
The US Federal Aviation Administration (FAA) has ordered inspections of nearly 2,000 Boeing 737 Next Generation aircraft after multiple operators reported pitch oscillations linked to excessive looseness in the horizontal stabilizer mechanism.
The airworthiness directive, published on October 19, 2026, requires operators to measure movement in the stabilizer’s pivot hinges and jackscrew, then carry out additional checks, repairs or parts replacements depending on the findings.
The FAA estimates that 1,987 US-registered aircraft are affected. The directive covers 737-600, -700, -700C, -800, -900 and -900ER aircraft. It does not apply to the 737 MAX.
The rule takes effect on November 23, 2026, with inspections due according to the compliance schedule incorporated into the directive.
The horizontal stabilizer is the movable horizontal surface on the aircraft’s tail that helps control its nose-up or nose-down attitude. Excessive movement within its supporting mechanism, known as freeplay, can allow unwanted motion.
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