Service difficulty report · Warning Message · Boeing 737890

Difficulty date
September 9, 2017
Submitted
September 11, 2017
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
32,995 hours, 9,879 cycles
Engine
Cfmint CFM567B27
Part
Warning Message
Condition
False Activation
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

NR 2 ENGINE SHOWS SHORT TIME FAULT MESSAGE 75-20372, THE HMU VSV CONTROL CURRENT IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 75-31, TASK 801, PERFORMED EEC ACTUATORS TEST IAW AMM 71-00-00-707-807-F00, TEST PASSED.