Individually Owned: 150,657
Corporate Owned: 137,281
Amarillo International Airport
Aircraft Accident/Incident Report
Amarillo, Texas 79160
Monday, January 31, 1994 18:09 CST
NTSB Narrative Summary Released at Completion of Accident
THE RIGHT MAIN OUTBOARD WHEEL DEPARTED THE AIRCRAFT DURING THE TAKEOFF ROLL. THE TOWER INFORMED THE CREW WHO REPORTED THAT ALL COCKPIT INDICATIONS WERE NORMAL. THE AIRPLANE LANDED AT THE DESTINATION WITHOUT FURTHER INCIDENT. THE OUTBOARD WHEEL BEARING HAD FAILED IN A MANNER THAT THE BEARING CAGE LOST ITS ABILITY TO RETAIN THE ROLLERS. BOTH BOLTS USED TO LOCK THE RETAINER NUT TO THE AXLE WERE IN PLACE. THE WHEEL SPACER WAS SEIZED TO THE INNER RACE OF THE OUTER BEARING AND A DISTINCT RIDGE WAS SEEN ON THE DAMAGED SPACER. NTSB METALLURGICAL EXAMINATION REVEALED THE SPACER WAS ROTATING ON THE AXLE; HOWEVER, THE ORIENTATION OF THE SPACER COULD NOT BE DETERMINED. THE OUTBOARD WHEEL BEARING DISCLOSED EVIDENCE OF OVERHEATING.
NTSB Probable Cause Narrative
THE FAILURE OF THE OUTER BEARING DUE TO A LACK OF LUBRICATION.
Event Information
| Type of Event | Incident |
| Event Date | 1/31/1994 |
| Event Day of the Week | Monday |
| Time of Event | 1809 |
| Event Time Zone | Central Standard Time |
| Event City | AMARILLO |
| Event State | TEXAS |
| Event Country | -- |
| Zipcode of the event site | 79160 |
| Event Date Year | 1994 |
| Event Date Month | 1 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | AMARILLO INTERNATIONAL |
| Event Location Nearest Airport ID | AMA |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 3605 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1758 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | AMA |
| Elevation of weather observation facility | 3605 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Clear |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 1 |
| Dew Point at event time (in degress fahrenheit) | -8 |
| Wind Direction (degrees magnetic) | 340 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 28 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 5003 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jan 31 1994 12:00AM |
| NTSB Notification Time | 2000 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Dec 6 2000 10:24AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N1437B |
| NTSB Number | FTW94IA077 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | -- |
| Damage | Minor |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | FOKKER |
| Aircraft Model | F28 MK O100 |
| Aircraft Series Identifier | F28 MK O10 |
| Aircraft Serial Number | 11427 |
| Certified Max Gross Weight | 91500 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 107 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Continuous Airworthiness |
| Date of Last Inspection | Oct 25 1993 12:00AM |
| Airframe hours since last inspection | 576 |
| Airframe Hours | 1924 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | AMERICAN AIRLINES, INC. |
| Aircraft Owner Street Address | P. O. BOX 619616, M. D. #5661 |
| Aircraft Owner City | DFW AIRPORT |
| Aircraft Owner State | TX |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 75261 |
| Operator is an individual? | -- |
| Operator Name | |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | |
| Operator City | |
| Operator State | |
| Operator Country | |
| Operator Zip code | |
| Operator Code | AALA |
| Owner has at least one certificate | Yes - certificate holder |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | Unknown |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | Scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger/Cargo |
| Type of Flying (Per_Bus / Primary) | Unknown |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | Yes |
| Departure Airport Code | AMA |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1809 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | DFW |
| Destination City | DFW AIRPORT |
| Destination State | TX |
| Destination Country | |
| Specific Phase of Flight | Takeoff |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 22 |
| Runway Length | 13502 |
| Runway Width | 300 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |