MIA85IA246

NTSB incident investigation · Douglas DC-8-71 · West Palm Bch, FL · September 8, 1985

Incident · No injuriesIncident investigationFinal report
Date
September 8, 1985, 11:20 local (15:20 UTC)
Place
West Palm Bch, FL
Injuries
107 uninjured
Damage
Minor damage
Phase of flight
Takeoff
Aircraft
N1300LDouglas DC-8-71
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850908074209I
Case key
31299

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.

Loss of engine power(total) - mech failure/malfTakeoff - roll/run
Compressor assembly,variable inlet guide vane - fatigueCause
Maintenance,overhaul - not performedOther maintenance personnelCause
Engine assembly,master rod - disconnectedFactor
FireTakeoff - roll/run
Compressor assembly,blade - overtemperature

Analysis

During take off roll the #4 engine failed causing catostrophic destruction of the engine. During subsequent examination the left vgv actuator pin was found to be missing. Without this pin the vgv ARM8 are aysemetrically driven. The vgv arms were found broken in high stress low cycle driven. The vgv arms were found broken in high stress low cycle fatigue. The high pressure compresser blades were failed in low stress high cycle fatigue.

Aircraft

Registration
N1300L
Reported as
Douglas DC-8-71
Category
Airplane
Serial number
46014
Engine
GE CFM56-2-CI, 24,000 lbs thrust, turbo fan
Damage
Minor damage
Fire
On-Ground
Flight
Part 121
Operator
Delta Airlines
Airworthiness certificate
Standard, Transport
Last inspection
AAIP · September 7, 1985 · 0 hours before
Departed
PBI · West Palm Bch, FL
Destination
ATL · Atlanta, GA
Flight plan
IFR
Airport
pbi · West Palm Beach, runway 13, 6,930 × 150 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Unknown, Unknown
Seat
Left

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 10 knots
Visibility
12 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 75 °F
Altimeter
30.00 inHg
Observed at
PBI

FAA reports on this event · 1

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