DCA85AA027

NTSB accident investigation · Mcdonnell Douglas DC-10-10 · San Juan, PR · June 27, 1985

Accident · Serious injuriesFinal report
Date
June 27, 1985, 11:36 local (15:36 UTC)
Place
San Juan, PR
Injuries
3 serious, 29 minor, 238 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N129AAMcdonnell Douglas DC-10-10
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Major Investigations Division
FAA report
19850627077899A
Case key
15835

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.

Airframe/component/system failure/malfunctionTakeoff - roll/run
Landing gear,tire - foreign objectCause
Landing gear,tire - leakCause
Landing gear,tire - failure,totalCause
OverrunTakeoff
Aborted takeoff - performedPilot in command
On ground/water collision with objectOther
Object - approach light/navaidFactor
On ground/water encounter with terrain/waterOther
Terrain condition - rough/unevenFactor
Terrain condition - water,roughFactor
Misc eqpt/furnishings,slides - other
Emergency equipment - inadvertent deactivationFlight attendant
Object - tree(s)
Misc eqpt/furnishings,slides - movement restricted

Analysis

After landing at San Juan, the acft was parked at the customs area, then was towed to gate 15 & loaded for the next flt. The push-back was such that the crew had to taxi to the gen avn parking area & turn around bfr proceeding to rwy 8 for departure. When cleared for takeoff, the wnd was from 160 deg at 11 gusting 22 KTS. At aprx 120 KTS on the takeoff roll,a loud rumbling sound occurred which increased rapidly, then the acft began to vibrate. At aprx the V1 spd of 141 KTS, the capt rejected the takeoff using max braking. Unable to stop on the remaining rwy, he angled the acft to the safest area. The flt engr's back was injured as the acft hit the REIL sys. The acft stopped with its nose in a lagoon. Due to trees, wtr, acft attitude & one accidental disarming, only 4 of 8 emerg slides were used. A lab analysis indicated that the #7 tire had failed due to low inflation, most likely from FOD. During the abort, its companion tire failed fromoverload. Black marks on the taxiway revealed the #7 tire started losing pressure while the acft was taxiing.

Aircraft

Registration
N129AA
Reported as
Mcdonnell Douglas DC-10-10
Category
Airplane
Serial number
46996
Engine
GE CF6, 45,000 lbs thrust, turbo fan
Damage
Substantial damage
Flight
Part 121
Registered owner
American Airlines, Inc.
Airworthiness certificate
Standard, Transport
Destination
DFW · Dallas/Ft Worth, TX
Flight plan
IFR
Airport
SJV · Luis Munoz Marin Int'L, runway 8, 10,002 × 200 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
55
Certificates
Flight instructor, Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
19,000 total · 215 in this make and model · 180 in the last 90 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 8 knots, gusting 22
Visibility
10 statute miles
Lowest ceiling
None
Temperature
91 °F, dew point 66 °F
Altimeter
30.00 inHg
Observed at
SJV, 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.