Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date
June 2, 2020
Submitted
June 8, 2020
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
23,173 hours, 7,561 cycles
Engine
Cfmint CFM567B27E
Part
Warning Message
Condition
Activated
Location
Cockpit
Stage of operation
IN
How discovered
O
Nature of condition
J
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 T/C 78273000, FOUND MAINT MSG 75-20361, "THE HPTACC SIGNAL IS OUT OF RANGE" ON #1 ENG. GROUNDED - YES. ON DEFERRAL.