Service difficulty report · Warning Message · Boeing 737890

Difficulty date
March 7, 2017
Submitted
March 13, 2017
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
38,417 hours, 11,749 cycles
Engine
Cfmint CFM567B27
Part
Warning Message
Condition
False Activation
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

FOUND NR 1 ENGINE SHORT TIME FAULT MESSAGE 73-20791. PS3 SIGNALS DISAGREE. ACFT GROUNDED. ACCOMPLISHED NR 1 ENGINE INTERROGATION OF FMC FOR ENGINE FAULTS T/C 78273000, CURRENT STATUS & FLIGHT FAULT HISTORY SHOW NO FAULTS.