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Accident: Sepehran B733 at Mashhad on Sep 14th 2026, rejected takeoff due to severe vibrations

| By Simon Hradecky, created Wednesday, Sep 16th 2026 06:17Z, last updated Wednesday, Sep 16th 2026 06:24ZA Sepehran Boeing 737-300, registration EP-FSU performing flight SHI-4358 from Mashhad to Kermanshah (Iran), was accelerating on Mashhad's runway 31L when the aircraft suffered severe vibrations of the entire airframe also causing the overhead lockers to collapse and fall onto the passengers, who kept the ceiling structure up with their arms and hands. The crew rejected takeoff and stopped on the runway. There are no injuries being reported. Passengers reported their flight was delayed due to the assigned aircraft EP-FST suffering a technical defect, EP-FSU was to replace the aircraft. On departure the aircraft suffered severe vibrations, the cabin ceiling came down. The flight was finally completed with the originally assigned aircraft EP-FST, that arrived into Kermanshah with a delay of about 9 hours. Iran's CAA reported abnormal vibrations (shimmy) of the main landing gear due to a defective shimmy damper caused damage to the gear structure including the lower torsion link which further resulted in damage to the tyres. The condition of the tyres as well as the pilot performance did not play a role in the accident, however the condition of the shimmy damper was poor due to leakages, wear and corrosion. The occurrence came to light due to the passenger video surfacing on social media.

Related NOTAM: A2069/26 NOTAMN Q)OIIX/QMRLC/IV/NBO/A/000/999/ A)OIMM B)2609141511 C)2609141800 E)TKOF AND LDG ON RWY 13R/31L NOT AUTH DUE TO DISABLE ACFT AND ONLY USABLE FOR TAXI. |