ASN Wikibase Occurrence # 365336
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Date: | Saturday 11 May 1991 |
Time: | 15:18 LT |
Type: | Short 360-100 |
Owner/operator: | Simmons Airlines/am.eagle |
Registration: | N715NC |
MSN: | SH-3610 |
Total airframe hrs: | 17887 hours |
Engine model: | P&W PT6A-65AR |
Fatalities: | Fatalities: 0 / Occupants: 21 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Chicago, IL -
United States of America
|
Phase: | Taxi |
Nature: | Unknown |
Departure airport: | Rockford, IL (KRFD) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PILOT REPORTED THAT DURING POST LANDING TAXI OPERATIONS, HE WAS UNABLE TO STEER THE AIRPLANE OR APPLY NORMAL BRAKES. THE AIRPLANE DEPARTED THE TAXIWAY, AND RAN ACROSS A GRASS MEDIAN AND SERVICE ROAD BEFORE IT IMPACTED A LIGHT POLE AND CAME TO A STOP. POST ACCIDENT INVESTIGATION REVEALED A FAILED NOSEWHEEL STEERING HYDRAULIC LINE, WHICH ALLOWED SYSTEM FLUID TO BE PORTED OVERBOARD INTO THE NOSE WHEELWELL. FURTHER EXAMINATION REVEALED THE LINE FAILED AS A RESULT OF A PUNCTURE OF THE INTERNAL HOSE BY THE WORN/FRAYED OUTER BRAID. RECORDS INDICATE THE FAILED LINE WAS ORIGINAL EQUIPMENT AND HAD OPERATED THROUGH 17,969 HOURS AND 21,324 CYCLES.
Probable Cause: THE FAILURE OF THE NOSE WHEEL STEERING HYDRAULIC LINE DURING AFTER LANDING GROUND OPERATIONS. A RELATED FACTOR IS THE MANUFACTURER'S INADEQUATE INSPECTION AND/OR REPLACEMENT STANDARDS.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CHI91FA152 |
Status: | Investigation completed |
Duration: | 1 year and 10 months |
Download report: | Final report |
|
Sources:
NTSB CHI91FA152
Revision history:
Date/time | Contributor | Updates |
20-Mar-2024 09:07 |
ASN Update Bot |
Added |
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