Incident · 2017-06-07
What the record says
- Event date
- 2017-06-07
- Event type
- Incident
- Highest injury level
- No injuries
- Aircraft
- BOEING 747 451 (N668US)
- Operating rule
- Part 121
- Operator
- DELTA AIR LINES, INC. Operator named in NTSB report
- Operated by (per NTSB report)
- Delta Air Lines
Probable cause
The PW4056 engine lost power due to the fatigue fracture of a 5th stage compressor blade. The cause of the fatigue fracture could not be determined.
Source: NTSB case ENG17IA026Flight crew
No flight-crew details recorded in the NTSB accident database for this event.
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.