- Difficulty date
- December 7, 2020
- Submitted
- December 9, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737484
- Aircraft serial
- 25314
- Aircraft time
- 63,764 hours, 39,543 cycles
- Engine
- Cfmint CFM563C1
- Engine time
- 30,479 hours, 29,263 cycles
- Part
- Engine
- Condition
- Power Loss
- Location
- Nr 1
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE, N1 ROLLBACK, UNCOMMANDED IN FLIGHT.