Aviation Accident Summaries

Aviation Accident Summary LAX90IA293

LOS ANGELES, CA, USA

Aircraft #1

N305UA

BOEING 737-322

Analysis

THE FLIGHT OF UAL FLIGHT 1257 WAS UNEVENTFUL UNTIL THE CREW EXTENDED THE LANDING GEAR FOR LANDING AT THE DESTINATION AND RECEIVED AN UNSAFE RIGHT MAIN LANDING GEAR INDICATION. THE CREW WAS UNABLE TO EXTEND THE GEAR AND PRECEDED TO AN AIRPORT WITH A LONGER RUNWAY FOR A GEAR UP LANDING. THE LANDING WAS ACCOMPLISHED WITHOUT INJURIES. THE RIGHT POWERPLANT NACELLE RECEIVED INCIDENTAL DAMAGE DURING THE LANDING TOUCHDOWN. WHEN THE RIGHT LANDING GEAR WAS OPENED A 3 CELL FLASHLIGHT WAS FOUND SANDWICHED BETWEEN THE CARGO FLOORING AND THE LANDING GEAR RETRACT/EXTEND LINKAGE.

Probable Cause and Findings

IMPROPER MAINTENANCE SERVICE BY A COMPANY EMPLOYEE WHO ALLOWED A FOREIGN OBJECT (FLASHLIGHT) TO REMAIN IN THE LANDING GEAR EXTEND/RETRACT LINKAGE DURING A NIGHT SERVICING BEFORE THE FLIGHT.

 

Source: NTSB Aviation Accident Database

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