Service difficulty report · Engine · Bombdr BD1001A10

Difficulty date
December 7, 2025
Submitted
January 15, 2026
Operation
Air carrier
Aircraft
N390JS
Make and model
Bombdr BD1001A10
Aircraft serial
20620
Aircraft time
3,190 hours, 1,799 cycles
Engine
Hnywl AS90721A
Part
Engine
Part number
AS90721A
Part serial
P136347
Condition
Failed
Location
Left
Part time
3,190 hours, 1,799 cycles
Stage of operation
CL
How discovered
O
Nature of condition
Y
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AT APPROX 400 FEET WE HAD A LEFT ENGINE EXCEEDANCE WITH RED CAS MESSAGE, AND THE ENGINE WENT TO IDLE. ENGINE REMOVED FOR REPAIR