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NTSB Report
February 17, 1990 · Boeing B-727-29 · N902TS
Washington, DC
Overview
Report Status
Probable Cause
Event Type
Incident
Date
February 17, 1990
Injury Outcomes
No injuries (86 uninjured)
Location
Washington, DC
Aircraft
Boeing B-727-29
Tail Number
N902TS
Operator
Trump Shuttle
Injuries
None
Aircraft Damage
Minor
NTSB Number
BFO90IA028
THE CAPTAIN REPORTED THAT WHEN HE LOWERED THE LANDING GEAR ON APPROACH TO DCA, HE HEARD A LOUD THUMP AND HE GOT AN UNSAFE RIGHT MAIN GEAR INDICATION. ALSO, 'A' SYSTEM HYDRAULIC PRESSURE LOSS OCCURRED. THE PILOT LEARNED SHORTLY AFTERWARDS, FROM A CABIN CREWMEMBER, THAT THE RIGHT MAIN GEAR LANDING STRUT WAS PROTURDING THROUGH THE RIGHT WING SURFACE. THE CAPTAIN DID A LOW PASS OVER DCA, WHERE AIR TRAFFIC TONTROL PERSONNEL NOTICED THE RIGHT MAIN GEAR WAS DOWN; HOWEVER, THE RIGHT MAIN GEAR DOOR APPEARED TO BE PARTIALLY EXTENDED. AS A PRECAUTION, THE CAPTAIN DIVERTED THE FLIGHT TO IAD, WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. EXAMINATION OF THE AIRCRAFT REVEALED THE RIGHT MAIN GEAR BEAM HANGER SUPPORT SHAFT FRACTURED, CAUSING THE RIGHT MAIN GEAR STRUT TO LOOSEN FROM ITS MOUNT AND PUNCTURE THE WING SKIN. METALLURGICAL EXAMINATION OF THE SUPPORT SHAFT REVEALED A CRACK IN THE MATERIAL WHICH PRECEDED THE FRACTURE SEPARATION.
NTSB Probable Cause
THE ACCIDENT WAS FATIGUE FAILURE OF THE RIGHT MAIN LANDING GEAR SUPPORT LINK SHAFT BECAUSE OF OVERTORQUE.
Full Narrative
THE CAPTAIN REPORTED THAT WHEN HE LOWERED THE LANDING GEAR ON APPROACH TO DCA, HE HEARD A LOUD THUMP AND HE GOT AN UNSAFE RIGHT MAIN GEAR INDICATION. ALSO, 'A' SYSTEM HYDRAULIC PRESSURE LOSS OCCURRED. THE PILOT LEARNED SHORTLY AFTERWARDS, FROM A CABIN CREWMEMBER, THAT THE RIGHT MAIN GEAR LANDING STRUT WAS PROTURDING THROUGH THE RIGHT WING SURFACE. THE CAPTAIN DID A LOW PASS OVER DCA, WHERE AIR TRAFFIC TONTROL PERSONNEL NOTICED THE RIGHT MAIN GEAR WAS DOWN; HOWEVER, THE RIGHT MAIN GEAR DOOR APPEARED TO BE PARTIALLY EXTENDED. AS A PRECAUTION, THE CAPTAIN DIVERTED THE FLIGHT TO IAD, WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. EXAMINATION OF THE AIRCRAFT REVEALED THE RIGHT MAIN GEAR BEAM HANGER SUPPORT SHAFT FRACTURED, CAUSING THE RIGHT MAIN GEAR STRUT TO LOOSEN FROM ITS MOUNT AND PUNCTURE THE WING SKIN. METALLURGICAL EXAMINATION OF THE SUPPORT SHAFT REVEALED A CRACK IN THE MATERIAL WHICH PRECEDED THE FRACTURE SEPARATION.
Flight
Event TypeIncident
Event Time13:45 EST
Nearest AirportDulles Intl. (0nm N)
Runway1L
Runway Length11500 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBoeing B-727-29
Tail NumberN902TS
Aircraft CategoryAir
DamageMinor
OperatorTrump Shuttle
Operating RulePart 121
Engines3
Engine TypeTurbojet
Engine DetailsP&W · JT8D- · Turbojet
Seats134
People & Injuries
Injury SummaryNo injuries (86 uninjured)
Fatal0
Serious0
Minor0
Uninjured86
Total86
Crew 1Age 48 · Unknown
Conditions
ConditionsVMC
LightDaylight
Wind320° @ 21 kt, gusting 30 kt
Visibility25 sm
CeilingNone
Temperature / Dew Point43 C / 19 C
Altimeter30.00 inHg
Observation Time20:50
Weather SourceWFAC