Service difficulty report · Satcom · Boeing 737990ER

Difficulty date
April 20, 2021
Submitted
April 21, 2021
Operation
Air carrier
Aircraft
N474AS
Make and model
Boeing 737990ER
Aircraft serial
40715
Aircraft time
21,869 hours, 6,949 cycles
Part
Satcom
Condition
Locked
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

DURING CLIMB OUT OF LAS SATCOM LOCKED UP WITH REPETITIVE CHIMES. GROUNDED - YES. RESET WITH QRH PROCEDURE.