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NTSB Report
June 6, 1987 · Mcdonnell Douglas DC-10-10 · N105AA
Los Angeles, CA
Overview
Report Status
Preliminary report
Event Type
Incident
Date
June 6, 1987
Injury Outcomes
No injuries (234 uninjured)
Location
Los Angeles, CA
Aircraft
Mcdonnell Douglas DC-10-10
Tail Number
N105AA
Operator
American Airlines
Injuries
None
Aircraft Damage
Minor
NTSB Number
LAX87IA230
OVER THE OUTER MARKER, THE CAPTAIN EXTENDED THE FLAPS TO 50 DEGREES. AS THE FLAPS EXTENDED PAST 35 DEGREES, THE AIRPLANE ROLLED TO THE LEFT. THE FLAPS WERE RETRACTED TO THE 35 DEGREE POSITION AND A GO-AROUND WAS EXECUTED. THE FLAPS WERE SET AT 22 DEGREES AND THE AIRPLANE LANDED SAFELY. AN EXAMINATION OF THE AIRPLANE REVEALED THAT 20 FEET OF THE LEFT OUTBOARD TRAILING EDGE FLAP VANE WAS MISSING. AN EXAMINATION OF THE FLAP VANE SECTIONS REVEALED THAT THE ATTACHMENT NUT AT TRACK NUMBER TWO WAS SEVERELY CORRODED. THE BOLT WAS NOT RECOVERED.
Full Narrative
OVER THE OUTER MARKER, THE CAPTAIN EXTENDED THE FLAPS TO 50 DEGREES. AS THE FLAPS EXTENDED PAST 35 DEGREES, THE AIRPLANE ROLLED TO THE LEFT. THE FLAPS WERE RETRACTED TO THE 35 DEGREE POSITION AND A GO-AROUND WAS EXECUTED. THE FLAPS WERE SET AT 22 DEGREES AND THE AIRPLANE LANDED SAFELY. AN EXAMINATION OF THE AIRPLANE REVEALED THAT 20 FEET OF THE LEFT OUTBOARD TRAILING EDGE FLAP VANE WAS MISSING. AN EXAMINATION OF THE FLAP VANE SECTIONS REVEALED THAT THE ATTACHMENT NUT AT TRACK NUMBER TWO WAS SEVERELY CORRODED. THE BOLT WAS NOT RECOVERED.
Flight
Event TypeIncident
Event Time11:00 PDT
Nearest AirportLos Angeles International (0nm N)
Runway25L
Runway Length11096 ft
Runway Width200 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMcdonnell Douglas DC-10-10
Tail NumberN105AA
Aircraft CategoryAir
DamageMinor
OperatorAmerican Airlines
Operating RulePart 121
Engines3
Engine TypeTurbofan
Engine DetailsGe · CF6-6 · Turbofan · 39500
Seats295
People & Injuries
Injury SummaryNo injuries (234 uninjured)
Fatal0
Serious0
Minor0
Uninjured234
Total234
Crew 1Age 57 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 5 kt
Visibility6 sm
CeilingOvercast 1100 ft
Temperature / Dew Point64 F / 63 F
Altimeter0
Observation Time18:00
Weather SourceWFAC