Service difficulty report · Fmc · Boeing 737890

Difficulty date
June 12, 2013
Submitted
June 19, 2013
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
23,939 hours, 7,193 cycles
Engine
Cfmint CFM567B27
Part
Fmc
Condition
False Indication
Stage of operation
IN
How discovered
V
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

WHILE ACCOMPLISHING TC 78273000, INTERROGATED THE FMC CDU FOR ENGINE FAULTS, FAULT CODE 73-20052 WAS ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED EEC TEST NO DEFECTS NOTED IAW MM 73-21-00.