ASN Wikibase Occurrence # 362209
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| Date: | Monday 12 April 1993 |
| Time: | 10:54 LT |
| Type: |  Boeing 747-269BC |
| Owner/operator: | Kuwait Airways |
| Registration: | 9K-ADD |
| MSN: | 22740/553 |
| Engine model: | P&W JT9D-7A |
| Fatalities: | Fatalities: 0 / Occupants: 40 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Alexandria, LA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Houston, TX (KEFD) |
| Camp Springs, MD | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A SLIGHT VIBRATION WAS FELT AS THE AIRPLANE WAS CLIMBING THROUGH FL310 FOR AN ASSIGNED ALTITUDE OF FL390 DURING A DOMESTIC IFR CROSS COUNTRY FLIGHT. A PASSENGER SEATED ON THE LEFT SIDE OF THE AIRPLANE OBSERVED PORTIONS OF THE SKIN ON A NON-STRUCTURAL WING PANEL ON THE LEFT WING PEELING OFF AND SEPARATING FROM THE WING AND INFORMED A CREWMENBER OF THE CONDITION. A PRECAUTINARY LANDING WAS MADE WITHOUT FURTHER INCIDENT. EXAMINATION OF THE AIRPLANE REVEALED THAT A SECTION, 48 INCHES WIDE BY 31 INCHES LONG, HAD SEPARATED FROM THE TRAILING EDGE OF THE FIXED TRAILING EDGE UPPER PANEL ON THE LEFT WING. ADDITIONALLY, A THREE INCH PORTION OF THE TRAILING EDGE ON THE LEFT FORE FLAP PANEL WAS ALSO DAMAGED, AND SEPARATED FROM THE AIRPLANE. ACCORDING TO MAINTENANCE PERSONNEL CONTRACTED BY THE OPERATOR, THE DELAMINATION OF THE HONYCOMB PANEL WAS THE RESULT OF WATER CONTAMINATION.
Probable Cause: THE INFLIGHT DELAMINATION OF THE WING PANEL SKIN. FACTORS WERE THE WATER CONTAMINATION OF THE HONEYCOMB PANEL.
Accident investigation:
 |
|
Sources:
NTSB FTW93IA125
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 18:54 | ASN Update Bot | Added |
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