FTW86LA158

NTSB accident investigation · Boeing A75N1 · Addison, TX · August 29, 1986

Accident · No injuriesLimited investigationFinal report
Date
August 29, 1986, 14:30 local (19:30 UTC)
Place
Addison, TX
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N7711JBoeing A75N1
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860829043629A
Case key
22082

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

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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,main gear strut - fatigueCause

Analysis

During the landing roll, the right main landing gear collapsed & separated from the fuselage. An exam revealed the right main gear had failed due to fatigue. The acft had a total airframe time of 1481 hrs.

Aircraft

Registration
N7711J
Reported as
Boeing A75N1
Category
Airplane
Serial number
75-4022
Airframe hours
1,481
Engine
P&W R-985, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Merle W. Williams
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 18, 1986
Departed
ADS
Airport
AD5 · Addison, runway 15, 7,200 × 100 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
43
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
7,500 total · 58 in this make and model · 7,300 as pilot in command · 75 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
60° at 7 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 54 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.