ASN Wikibase Occurrence # 369060
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| Date: | Monday 20 March 1989 |
| Time: | 23:30 LT |
| Type: | Gulfstream 690A |
| Owner/operator: | Greatwestern Aviation |
| Registration: | N690MF |
| MSN: | 11103 |
| Total airframe hrs: | 6565 hours |
| Engine model: | GARRETT TPE331-5-251K |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Bismark, ND -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | |
| Fargo, ND (KFAR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE CLIMBING AFTER TAKEOFF AT NIGHT, THE RIGHT ENGINE FAILED. THE FIGHT CREW SECURED THE RIGHT ENGINE & RETURNED TO A SAFE LANDING AT THE AIRPORT. AN ENGINE INSPECTION REVEALED A CRACK IN THE PLENUM COMBUSTOR CHAMBER. THE CRACK EMINATED FROM A WELD BETWEEN TWO EXTERNALLY FIXED (WELDED) MOUNTS. THIS WAS THE SECOND PLENUM CHAMBER USED ON THIS ENGINE IN SIX MONTHS AND WAS OBTAINED FROM SPARE PARTS OF ANOTHER AIRCRAFT. IT WAS VISUALLY DETERMINED TO BE AIRWORTHY. NO OPERATIONAL HISTORY WAS AVAILABLE ON THIS PLENUM, NOR WAS THERE A SPECIFIC REQUIREMENT. REPLACEMENT WAS ON CONDITION, AND DAMAGE CONDITIONS WERE REQUIRED TO MEET THE MANUFACTURERS CRITERIA.
Probable Cause: A FAILED (CRACKED) ENGINE PLENUM RESULTING IN LOSS OF ENGINE POWER.
Accident investigation:
 |
|
Sources:
NTSB MKC89IA082
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 10:25 | ASN Update Bot | Added |
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