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| Date: | Saturday 15 September 1984 |
| Time: | 13:05 LT |
| Type: |  McDonnell Douglas DC-10-10 |
| Owner/operator: | American Airlines |
| Registration: | N124AA |
| MSN: | 46524/65 |
| Year of manufacture: | 1972 |
| Total airframe hrs: | 34557 hours |
| Engine model: | GE CF6 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Other fatalities: | 0 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Dfw Airport, TX -
 United States of America
|
| Phase: | Unknown |
| Nature: | Ferry/positioning |
| Departure airport: | Tulsa, OK (KTUL) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACFT EXPERIENCED SEPN OF THE RGT WING #3 LEADING EDGE SLAT WHILE DESCENDING FOR AN APCH. AN INVESTIGATION REVEALED THAT ON 7/5/84, THE COMPANY PERFORMED A 'C' CHECK INSPECTION OF THE ACFT. AT THIS TIME A RGT WING #3 LEADING EDGE SLAT RETRACT ALUMINUM PULLEY, P/N 1969-132, WAS REPLACED WITH A PHENOLIC PULLEY, P/N 1969-172. THE DC-10 PARTS ILLUSTRATED CATALOGUE SPECIFIES THAT AN ALUMINUM PULLEY BE INSTALLED ON THE #3 LEADING EDGE SLAT RATHER THAN THE PHENOLIC PULLEY BECAUSE FLT LOADS ON THE #3 SLAT EXCEEDED THE DESIGN LOAD OF THE PHENOLIC PULLEY. METALLURGICAL EXAMINATION OF THE FAILED PULLEY & CABLE INDICATED EVIDENCE OF AN OVERLOAD FAILURE. INSPECTION OF OTHER COMPANY DC-10'S REVEALED AT LEAST 3 OTHER ACFT HAD PHENOLIC PULLEYS INSTALLED IN THE #3 SLAT POSITION.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB FTW84IA400
History of this aircraft
Other occurrences involving this aircraft
| 26 November 1975 | N124AA | American Airlines | 0 | near Carleton, Michigan | |
min |
| Mid-air collision | ||||||
| 20 January 1990 | N124AA | American Airlines | 0 | San Juan, PR |  |
non |
| Turbulence | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Mar-2024 08:44 | ASN Update Bot | Added |
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