ASN Wikibase Occurrence # 362520
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| Date: | Saturday 9 January 1993 |
| Time: | 09:19 LT |
| Type: |  de Havilland Canada DHC-8-311 |
| Owner/operator: | Air Wisconsin, Inc. |
| Registration: | N433AW |
| MSN: | 305 |
| Total airframe hrs: | 1771 hours |
| Engine model: | P&W PW123 |
| Fatalities: | Fatalities: 0 / Occupants: 40 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Savoy, IL -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | (KCMI) |
| Chicago, IL (KORD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE FLIGHT WAS DELAYED ON THE RUNWAY AFTER THE FLIGHT CREW EXCEEDED THE POWER NOSEWHEEL STEERING RANGE DURING A TIGHT 180 DEGREE TURN INTO POSITION. AFTER SEVERAL UNSUCCESSFUL ATTEMPTS TO STRAIGHTEN THE (CASTORING) NOSEWHEEL USING DIFFERENTIAL POWER AND BRAKES, THE CREW CALLED FOR GROUND PERSONNEL TO ASSIST. GROUND PERSONNEL REPORTED THE INBOARD WHEEL OF THE RIGHT MAIN LANDING GEAR (#3 WHEEL) APPEARED TO BE LEANING AGAINST THE STRUT. THE CO-PILOT STATED THE LANDING GEAR APPEARED NORMAL AND THE FLIGHT DEPARTED. SHORTLY AFTER LIFTOFF, THE #3 WHEEL FELL TO THE GROUND. POSTACCIDENT EXAMINATION REVEALED THE FRACTURE OF THE AXLE WAS THE RESULT OF THE DEGRADATION AND FAILURE OF THE #3 INNER WHEEL BEARING. THERE WAS EVIDENCE OF WATER CONTAMINATION IN THE WHEEL BEARING GREASE.
Probable Cause: THE TOTAL FAILURE OF THE INBOARD RIGHT MAIN LANDING GEAR WHEEL AXLE DURING THE INITIAL CLIMB.
Accident investigation:
 |
|
Sources:
NTSB CHI93IA069
History of this aircraft
Other occurrences involving this aircraft
| 1 August 1994 | N433AW | United Express | 0 | Washington-Dulles International Airport, DC (IAD) | |
sub |
| Damaged on the ground | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 07:19 | ASN Update Bot | Added |
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