EAST BOSTON, MA, USA
N104BB
CANADAIR CL44D4
THE ACFT LANDED WITH THE RIGHT MAIN LANDING GEAR IN THE RETRACTED POSITION. THE CREW WAS UNABLE TO LOWER THE RIGHT MAIN GEAR BY THE NORMAL OR EMERGENCY METHODS. INSPECTION AFTER THE ACCIDENT REVEALED THAT THE MAIN HYDRAULIC LINE. PN 44-75087-98 WAS BROKEN COMPLETELY AROUND ITS CIRCUMFERENCE UNDER THE 'B' NUT AT THE BULKHEAD FITTING WHERE THE LINE ENTERS THE H2 ENGINE NACELLE.
Source: NTSB Aviation Accident Database
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