Raleigh-Durham Airport
Aircraft Accident/Incident Report

Morrisville, North Carolina 27560
Wednesday, January 24, 1990 17:42 EST

NTSB Narrative Summary Released at Completion of Accident

AFTER THE COMMUTER FLIGHT ARRIVED AT ITS DESTINATION THE RIGHT MAIN LANDING GEAR WOULD NOT EXTEND USING NORMAL AND ABNORMAL PROCEDURES. THE AIRPLANE WAS RETURNED TO THE DEPARTURE AIRPORT AND LANDED ON THE RWY WITH ALL WHEELS RETRACTED. SUBSEQUENT EXAMINATION OF THE LANDING GEAR BY THE OPERATOR REVEALED THAT THE RIGHT MAIN GEAR DOOR ACTUATOR FORK ASSEMBLY HAD BEEN INCORRECTLY INSTALLED. AS A RESULT THE LANDING GEAR DOOR WOULD NOT OPEN.

NTSB Probable Cause Narrative

IMPROPER INSTALLATION OF THE LANDING GEAR DOOR ACTUATOR FORK ASSEMBLY BY COMPANY MAINTENANCE PERSONNEL.

Event Information

Type of Event Accident
Event Date 1/24/1990
Event Day of the Week Wednesday
Time of Event 1742
Event Time Zone Eastern Standard Time
Event City MORRISVILLE
Event State NORTH CAROLINA
Event Country --
Zipcode of the event site 27560
Event Date Year 1990
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport RALEIGH-DURHAM
Event Location Nearest Airport ID RDU
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 437
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1650 Eastern Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID RDU
Elevation of weather observation facility 436
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EST
Lighting Conditions Dusk
Lowest Ceiling Height 12000
Lowest Non-Ceiling Height 6000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
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 11
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 899
NTSB Notification Source --
NTSB Notification Date Jan 24 1990 12:00AM
NTSB Notification Time 1800
Fiche Number and/or location -used to find docket information 41943
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N396AV
NTSB Number ATL90LA054
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SWEARINGEN
Aircraft Model SA 226TC
Aircraft Series Identifier SA 226TC
Aircraft Serial Number TC-396
Certified Max Gross Weight 10062
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 19
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name AMR CORPORATION
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 4200 AMERICAN BLVD.
Operator City FT WORTH
Operator State TX
Operator Country
Operator Zip code 76155
Operator Code NVEA
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 Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1628
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code FAY
Destination City FAYETTEVILLE
Destination State NC
Destination Country
Specific Phase of Flight Landing
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 23R
Runway Length 10000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --