NTSB Identification: CHI84FA165.
The docket is stored on NTSB microfiche number 26946.
Scheduled 14 CFR
Accident occurred Thursday, April 26, 1984 in NORTH CANTON, OH
Aircraft: Short Brothers SD3-30, registration: N330L
Injuries: 22 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

FOLLOWING NORMAL LNDG, PLT EXECUTED 180-DEGREE TURN ON RUNWAY, THEN TAXIED TO GATE. NORMAL GATE ARRIVAL MANEUVER IS A RIGHT 180-DEGREE TURN TO PRESENT LEFT SIDE OF ACFT TO GATE. AS ACFT PASSED THROUGH ABOUT 135 DEGREES OF THIS MANEUVER, HYDRAULIC WARNING LIGHTS ILLUMINATED AND BOTH NOSEWHEEL STEERING AND NORMAL BRAKING BECAME INOPERATIVE. PLT ATTEMPTED TO CONTINUE ARC OF TURN WITH DIFFERENTIAL POWER BUT RADIUS HAD INCREASED TO THE POINT THAT LEFT WING CONTACTED TERMINAL ROOF. INVESTIGATION SHOWED A TRAIL OF HYDRAULIC FLUID FROM THE POINT OF THE 180-DEGREE TURN ON THE RUNWAY TO POINT WHERE BRAKING ACTION WAS LOST. NOSEWHEEL STEERING HYD FLEX LINES SHOWED CHAFING OF EXTERNAL REINFORCEMENT BRAIDING AT BEND RADIUS WITH SUBSEQUENT RUPTURE OF WEAKENED TUBING WALL. RECORDS SHOWED 7000 LANDINGS SINCE LINE REPLACEMENT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLUID,HYDRAULIC..LOSS,PARTIAL

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,STEERING SYSTEM..INOPERATIVE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,NORMAL BRAKE SYSTEM..INOPERATIVE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

HYDRAULIC SYSTEM,LINE..BURST


Contributing Factors

HYDRAULIC SYSTEM,LINE..CHAFED


Contributing Factors

CLEARANCE..INADEQUATE


Contributing Factors

OBJECT..AIRPORT FACILITY


Contributing Factors

MAINTENANCE,INSTALLATION..IMPROPER..COMPANY MAINTENANCE PERSONNEL


Contributing Factors

MAINTENANCE,BALANCING..INADEQUATE..COMPANY MAINTENANCE PERSONNEL

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