BFO87IA008

NTSB incident investigation · Boeing 727-231 · Norfolk, VA · November 16, 1986

Incident · Minor injuriesIncident investigationFinal report
Date
November 16, 1986, 11:03 local (16:03 UTC)
Place
Norfolk, VA
Injuries
1 minor, 23 uninjured
Damage
Minor damage
Phase of flight
Landing
Aircraft
N64323Boeing 727-231
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
11295

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Main gear collapsedLanding - roll
Landing gear,emergency extension assembly - failure,totalCause
Landing gear,main gear shock absorbing strut - fatigueCause
Landing gear,main gear shock absorbing strut - stress corrosionCause

Analysis

During the landing roll the r main gear collapsed. A flight attendant received minor injuries during evacuation of the acft. Examination of the acft disclosed that the shock strut cylinder fractured circumferentially; about 10 inches below the top of the cylinder. Metallurgical examination of the fracture surface revealed evidence of pre-existing fatigue cracking.

Aircraft

Registration
N64323
Reported as
Boeing 727-231
Category
Airplane
Serial number
20098
Engine
P&W JT8, 15,500 lbs thrust, turbo fan
Damage
Minor damage
Flight
Part 121
Operator
Trans World Airlines
Registered owner
Aviation Sales Company Inc.
Airworthiness certificate
Standard, Transport
Departed
DCA · Washington, DC
Destination
ORF · Norfolk, VA
Flight plan
IFR
Airport
ORF · Norfolk, runway 23, 9,000 × 150 ft

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
48
Certificates
Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Unknown, Unknown
Seat
Left

Weather

Conditions
Visual (VMC) · Day
Wind
260° at 8 knots
Visibility
7 statute miles
Lowest ceiling
3,500 ft unknown
Temperature
50 °F, dew point 46 °F
Altimeter
30.00 inHg
Observed at
ORF