CHI89IA018

NTSB incident investigation · Boeing B-727-200A · Chicago, IL · October 24, 1988

Incident · No injuriesIncident investigationFinal report
Date
October 24, 1988, 16:10 local (21:10 UTC)
Place
Chicago, IL
Injuries
80 uninjured
Damage
Minor damage
Phase of flight
Takeoff
Aircraft
N277USBoeing B-727-200A
Weather
Visual (VMC) · Day
Status
Completed · report June 11, 1990
Report
Approved by Office Director
FAA report
19881024057529I
Case key
14278

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.

Airframe/component/system failure/malfunctionTakeoff - roll/run
Landing gear,axle - fatigueCause
Material defectManufacturerCause
Landing gear,axle - failure,total

Analysis

On departure from Chicago, Illinois, o'hare airport the aircraft experienced a loss of the inboard left main wheel. The aircraft diverted to detroit, Michigan, where it was landed with no damage to the aircraft and no injuries to the crew or passengers. Subsequent examination of the broken inboard axle assembly by the NTSB metallurgical lab, revealed fatigue cracking of the axle.

Aircraft

Registration
N277US
Reported as
Boeing B-727-200A
Category
Airplane
Serial number
21156
Airframe hours
31,131
Engine
P&W JT8D-15, 15,000 lbs thrust, turbo fan
Damage
Minor damage
Flight
Part 121
Operator
Northwest Airlines, Inc.
Registered owner
Northwest Airlines, Inc
Airworthiness certificate
Standard, Transport
Departed
ORD · Chicago, IL
Destination
BOS · Boston, MA
Flight plan
IFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
52
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
13,234 total · 6,774 in this make and model · 160 in the last 90 days · 50 in the last 30 days · 8 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 12 knots, gusting 20
Visibility
10 statute miles
Lowest ceiling
2,300 ft overcast
Temperature
37 °F, dew point 28 °F
Altimeter
29.00 inHg
Observed at
ORD, 1 nm away

FAA reports on this event · 1

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