# Incident 19980718029199I: Doug DC863F, Seattle, WA, July 18, 1998 - Type: FAA incident report (Accident/Incident Data System), as reported - Date: July 18, 1998, 07:00 local time - Place: Seattle, WA - Airport: Seattle-Tacoma International - Damage: Minor damage - Phase of flight: Level Off Touchdown - Operating rules: Air carrier (Part 121) - Operator: RRXA - Location: 47.4802° N, 122.2895° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=47.4802&lon=-122.2895&mi=10 - Aircraft: N921R, a cancelled registration (https://openairdocs.org/deregistered/N921R-2011-02-16) (OpenAirDocs) - Registry model: Mcdonnell Douglas DC-8-63F (registry code 302198H, https://openairdocs.org/model/mcdonnell-douglas-dc-8-63f) (OpenAirDocs) - Registry engine: Pratt & Whitney JT3D-3&3B (registry code 52039, https://openairdocs.org/engine/pratt-whitney-jt3d-3-3b) (OpenAirDocs) - Reported make and model: DOUG DC863F - People aboard: 3 - Fatal injuries: 0 - NTSB investigation: [NTSB SEA98IA141](https://openairdocs.org/ntsb/SEA98IA141) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/19980718029199I ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. APPROX. 0700 ON SATURDAY JULY 18, 1998, EMERY AIR FLIGHT 26 WAS INVOVLED IN AN INCIDENT ON LANDING AT SEATTLE-TACOMA AIRPORT ON RUNWAY 34R. THE #1 MAIN LAND. GEAR TIRE CAME OFF ON LANDING ROLLED OFF THE RUNWAY CONTINUED ON THE TAXIWAY ONTO THE RAMP OF HORIZON AIR AND DAMAGED THE HORIZON AIR MAINTENANCE TRUCK LOCATED NEXT TO THE TERMINAL. THERE WAS SUBSTANTIAL DAMAGE TO THE TRUCK AND A BROKEN WINDOWN AT HORIZON AIRS OPERATIONS OFFICE AT THE GROUND LEVEL OF THE TERMINAL FROM THE FLYING DEBRIS FROM THE TRUCK. NO INJURIES TO ANY GROUND PERSONNEL. THE AIRCRAFT INVOLVED IS A DC-8-63CF, N921R, S/S 46145. FLIGHT CAME IN FROM DAYTON, OHIO. I INSPECTED THE #1 MAIN LAND GEAR TIRE AND AXLE. I FOUND SOME DAMAGE ONLY TO THE BOTTOM SIDE OF THE AXLE THREADS AND AXLE, THE BRAKES SHOWED SOME DAMAGE DUE TO THE WHEEL ASSY COMING OFF. THERE WAS NO MAINTENANCE RECORD ENTRY FOR THE MAINT. OF THE INSTALLATION OF THIS #1 MAIN LAND. GEAR TIRE. THIS MAIN LAND GEAR TIRE WAS PULLED FROM THEIR SPARE PARTS (SPK LOG) IN SAN JOSE ON JUNE 29, 1998, EMERY AIR MECHANIC EMPLOYEE #15827, REMOVED THE TIRE FROM STOCK, THIS IS INDICATED FROM THE SPK LOG. ^PRIVACY DATA OMITTED^ THE MAIN WHEEL ASSY. INNER WHEEL HALVE IS S/N H0917, THE OUTER WHEEL HALVE IS S/N 32322. THE MAIN GEAR TIRE S/N 2322. THE #1 MAIN GEAR TIRE SHOWED ON SIGNS OF WEAR OR DAMAGE, THE TIRE WAS IN EXCELLENT CONDITION. WE WERE UNABLE TO LOCATE THE #1 TIRE/WHEEL ASSY. LOCK NUT NOR THE WHEEL SPACER. ONE SAFETY BOLT FOR THE LOCK NUT WAS SHEARED AND ONE MISSING. THE BOLT HOLE ON THE AXLE FOR THE MISSING SAFETY BOLT SHOWED NO SIGNS OF ANY DAMAGE. THE SHEARED SAFETY BOLT REMAINED ON THE AXLE. THE ANTI-SKID TRANSDUCER WAS STILL IN PLACE, NO INDICATION OF DAMAGE. UNTIL WE FIND THE LOCK NUT AND WHEEL SPACER WE COULD PROBABLY MAKE A POSITIVE DETERMINATION OF THE INSTALLATION OF THE TIRE. ^PRIVACY DATA OMITTED^ THE COMBINATION OF THE HARD LANDING AND IMPROPER INSTALLATION OF THE TIRE MAY HAVE CAUSED THE TIRE TO COME OFF ON LANDING. THE MECHANICS FOR EMERY AIR HER E IN SEATTLE WILL PERFORM A HARD LANDING INSPECTION OF THE AIRCRAFT AND REPLACE THE LEFT HAND MAIN LANDING GEAR BOGIE ASSY. I WILL WAIT FOR COPIES OF THE AIRCRAFT MAINT. LOGS FROM YOU AS WE SPOKE OF DURING OUR CONVERSATION. IF YOU NEED ANY MORE INFORMATION REGARDING THIS INCIDENT FEEL FREE TO CALL ME. ## The NTSB's investigation of this event (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB SEA98IA141](https://openairdocs.org/ntsb/SEA98IA141), Jul 18, 1998: McDonnell Douglas DC-8-63F (N921R), Seattle, WA, incident, minor damage. Probable cause: The flight crew's failure to perform a missed approach upon failing to attain and/or maintain proper course/runway alignment and glidepath on final approach, resulting in a high-sink-rate landing and… ## Other reports on N921R (3) Matched to the same aircraft by N-number and date. - [Incident 20030214006809I](https://openairdocs.org/incident/20030214006809I), Feb 14, 2003: Doug DC863F (N921R), Smyrna, TN, Minor damage. (-23) On landing hit the #one engine on the runway and blew a tire. Landing downwind/crosswind with rain. Apparently corrected late during the landing phase,… - [Incident 19990309021449I](https://openairdocs.org/incident/19990309021449I), Mar 9, 1999: Doug DC863F (N921R), Indianapolis, IN. After landing on runway 32 at ind, the DC-8 was taxiing on the runway to make a left turn onto taxiway a. the first officer noticed the captain had slumped… - [Incident 19911205059949I](https://openairdocs.org/incident/19911205059949I), Dec 5, 1991: Doug DC863F (N921R), Syracuse, NY. Aircraft skidded on snow covered taxiway and the nose wheel went off taxiway into the grass area. From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.