Scott Afb Airport
Aircraft Accident/Incident Report

Mascoutah, Illinois 62258
Thursday, August 9, 2001 20:25 CDT

NTSB Narrative Summary Released at Completion of Accident

The airplane sustained substantial damage on contact with the runway during an emergency nose gear up landing. Evacuation of the airplane was conducted via the emergency slides. The captain stated, "Repeated radio requests to obtain stairs to deplane were denied due to unavailability. ... Received confirmation that the aircraft was all clear below for engine start and taxi. ... After beginning taxi roll a slight bump was felt that was compatible with a rough ramp area." A passenger stated, "At this point with engines running it seemed that it took a great deal of thrust to get the aircraft moving. I heard the hydraulics when breaks were released, but thought it unusual to use such thrust to get moving on a level ramp without a jet-way. The aircraft was simply pulling straight ahead. There were then two sharp jolts." One of the ground personnel stated, "There was no ground crew free at the time to flag out FLT 519 as I was busy and the other two agents were getting FLT 7637 boarded and it departed at 635P. After flagging out FLT 533 I went over to where FLT 519 had been sitting and discovered the chocks lying on the ramp." NTSB Materials Laboratory report 01-102 on the debris found at Springfield, the spray deflector assembly, and the left hand support assembly stated, "No other piece fractured from the center portion of the deflector assembly. ... Bench binocular microscope examination of the four fractured pieces revealed features typical of overstress separation in a casting. No evidence of a preexisting crack was found on the fractures." Subsequent to the accident, a Boeing Flight Operations Bulletin, dated September 20, 2001, stated, "The purpose of this revision is to clarify and broaden the scope of this operations bulletin, to include possible damage to the NLG SPRAY DEFLECTOR caused by taxiing over a chock, striking a taxiway light or other obstruction, dropping the nosewheel into a pothole, etc. The consequences of such operation may result in damage to the NLG SPRAY DEFLECTOR that may prevent subsequent retraction or extension of the nose gear."

NTSB Probable Cause Narrative

The malfunction of the nose gear extension system, which resulted from a previous ground collision with a wheel chock. A factor was the wheel chock.

Event Information

Type of Event Accident
Event Date 8/9/2001
Event Day of the Week Thursday
Time of Event 2025
Event Time Zone Central Daylight Time
Event City Mascoutah
Event State ILLINOIS
Event Country --
Zipcode of the event site 62258
Event Date Year 2001
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 383243N
Event Location Longitude 0895007W
Event Location Airport SCOTT AFB
Event Location Nearest Airport ID BLV
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 459
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1955 Central Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID BLV
Elevation of weather observation facility 459
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation CDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 15000
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 6
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 6
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.91
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report KBLV 100055Z 18006KT 6SM BR BKN150 OVC250 24/23 A2
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 76
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 13896
NTSB Notification Source MidAmerica Airport
NTSB Notification Date Aug 9 2001 12:00AM
NTSB Notification Time 2119
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Sep 30 2003 9:55AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Saint Louis, MO, FAA CMO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2417F
NTSB Number CHI01FA270
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? Yes
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Boeing
Aircraft Model 717-200
Aircraft Series Identifier --
Aircraft Serial Number 55084
Certified Max Gross Weight 118000
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 Jun 6 2001 12:00AM
Airframe hours since last inspection 45
Airframe Hours 845
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MDFC Equipment Leasing Corporation
Aircraft Owner Street Address 3780 Kilroy Airport Way, Suite 750
Aircraft Owner City Long Beach
Aircraft Owner State --
Aircraft Owner Country USA
Aircraft Owner Zipcode 90806
Operator is an individual? No
Operator Name TRANS WORLD AIRLINES
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 11495 Natural Bridge Road
Operator City Bridgeton
Operator State MO
Operator Country USA
Operator Zip code 63044
Operator Code TWAA
Owner has at least one certificate --
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
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 Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code SPI
Departure City SPRINGFIELD
Departure State IL
Departure Country USA
Departure Time 1820
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code STL
Destination City ST LOUIS
Destination State MO
Destination Country USA
Specific Phase of Flight Landing - roll
Report sent to ICAO? Yes
Evacuation occurred Yes
Date of most recent change to record Jul 3 2003 1:02PM
User who most recently changed record SULP
Since inspection or accident Time of Accident
Event Location Runway Number and Location 14L
Runway Length 10000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --