Service difficulty report · Engine · Boeing 737890

Difficulty date
May 4, 2015
Submitted
May 8, 2015
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
31,238 hours, 9,367 cycles
Engine
Cfmint CFM567B27
Part
Engine
Condition
Faulted
Location
Nr 1
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

WHILE PERFORMING TC NR 78273000, FMC CDU INTERROGATION, FOUND MESSAGE: ENGINE NR 1 BOTTOM RT EGT SIGNAL OUT OF RANGE, CODE 77-10851 ECONOMIC FAULT. MUST BE CORRECTED WITH IN 500 FLT HOURS. ACFT GROUNDED. ON DEFERRAL.