ASN Wikibase Occurrence # 369365
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| Date: | Thursday 29 December 1988 |
| Time: | 09:00 LT |
| Type: |  Rockwell 690B Turbo Commander |
| Owner/operator: | Great Western Aviation |
| Registration: | N690MF |
| MSN: | 11103 |
| Total airframe hrs: | 6331 hours |
| Engine model: | GARRETT TPE-331-5251K |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | St. Paul, MN -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | |
| Sioux Falls, SD (KFSD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PIC HAD PREFLTD HIS COMMANDER TURBOPROP AND PREPARED FOR TAKEOFF FM THE ST. PAUL ARPT. DURING THE TAKEOFF ROLL JUST AS THE ACFT WAS ROTATED TO TAKEOFF ATTITUDE, THE RT ENG FAILED. THE PIC EASED THE ACFT BACK TO THE RWY, REDUCED PWR AND CAME TO A STOP ON THE REMAINING RWY. WITH THE REMAINING ENG THE PIC TAXIED BACK TO THE RAMP AREA. INSP OF THE ENG REVEALED A FAILED PLENUM CHAMBER, WITH A LARGE TEAR IN THE INCONEL 718 SHEET METAL. METALLURGICAL EXAM OF THE PLENUM REVEALED MULTIPLE FATIGUE FRACTURE AREAS IN THE WELDED SEAMS. THE ENG WAS SUBSEQUENTLY INSPCTD, A SERVICEABLE PLENUM WAS USED AS A REPLACEMENT AND THE ENGINE WAS RETURNED TO SERVICE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC89IA048
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 13:50 | ASN Update Bot | Added |
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