NTSB CAROL · Event
Event CHI87LA200
Aircraft involved
Factual narrative
THE PLT RPRTD THAT AFTER THE ACFT WAS AT CRUISE FLT, THERE WAS A RAPID LOSS OF HYDRAULIC PRESSURE. HE RETURNED TO THE DEP ARPT, BUT WAS UNABLE TO GET THE LEFT MAIN GEAR TO LOCK DOWN. SUBSEQUENTLY, THE LEFT MAIN GEAR COLLAPSED WHEN THE ACFT WAS LANDED. AN INVESTIGATION REVEALED A HYDRAULIC LINE IN THE LEFT WING HAD FAILED WHICH HAD ALLOWED A LOSS OF HYDRAULIC FLUID & PRESSURE. ALSO, THERE WAS A STICKING PRIORITY VALVE. WITH THESE PROBLEMS, THE GEAR COULD NOT BE EXTENDED WITH EITHER THE NORMAL OR EMERG SYS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1987_CHI87LA200.txt.
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