Service difficulty report · Fault Code · Boeing 737890

Difficulty date
August 6, 2015
Submitted
August 10, 2015
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
33,752 hours, 10,257 cycles
Part
Fault Code
Condition
Activated
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

UPON ACCOMPLISHING TASK CARD 78273000, FMC CDU FOR ENGINE FAULTS ENGINE NR 1 HAS FAULT 77-20871, TOP LT EGT SIGNAL OUT OF RANGE. TERM OF FAULT ECONOMIC. FLT LEGS 1, 2, 3, 8, 9. ACFT GROUNDED. ON DEFERRAL.