Service difficulty report · Fault Message · Boeing 737890

Difficulty date
October 19, 2017
Submitted
November 30, 2017
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
33,291 hours, 9,987 cycles
Engine
Cfmint CFM567B27
Part
Fault Message
Condition
False Indication
Location
Nr 2 Engine
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

WHILE PERFORMING TC 78273000, FOUND FAULT CODE 73-31371 ON THE NR 1 ENGINE, UPPER EGT SECTORS READING HIGH. ECONOMIC FAULT. ACFT GROUNDED. PERFORMED TASK CARD 78273000. NO FAULTS INDICATED.