ASN Wikibase Occurrence # 378445
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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 |
Total airframe hrs: | 34557 hours |
Engine model: | GE CF6 |
Fatalities: | Fatalities: 0 / Occupants: 3 |
Aircraft damage: | Minor |
Category: | Serious incident |
Location: | Dfw Airport, TX -
United States of America
|
Phase: | Unknown |
Nature: | Ferry/positioning |
Departure airport: | Tulsa, OK (KTUL) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative: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:
|
| |
Investigating agency: | NTSB |
Report number: | FTW84IA400 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB FTW84IA400
History of this aircraft
Other occurrences involving this aircraft Revision history:
Date/time | Contributor | Updates |
31-Mar-2024 08:44 |
ASN Update Bot |
Added |
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