ASN Wikibase Occurrence # 368846
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| Date: | Tuesday 2 May 1989 |
| Time: | 15:40 LT |
| Type: | Mcdonnell Douglas DC-9-82 |
| Owner/operator: | American Airlines |
| Registration: | N434AA |
| MSN: | 49452 |
| Engine model: | P&W JT8D-217A |
| Fatalities: | Fatalities: 0 / Occupants: 96 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Minneapolis, MN -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Seattle, WA (KSEA) |
| Chicago, IL (KORD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Probable Cause: FAILURE OF THE HYDRAULIC POWER TRANSFER UNIT SHUT-OFF (PTU S/O) VALVE DUE TO FAILED (FATIGUED) VALVE BODY ATTACH SCREWS.
Accident investigation:
 |
|
Sources:
NTSB CHI89IA083
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 08:02 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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