Service difficulty report · Satcom · Boeing 737990ER

Difficulty date
September 19, 2016
Submitted
September 21, 2016
Operation
Air carrier
Aircraft
N474AS
Make and model
Boeing 737990ER
Aircraft serial
40715
Aircraft time
4,929 hours, 1,615 cycles
Part
Satcom
Condition
Locked
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

SWITCHING FROM GROUND TO APU POWER, SATCOM LOCKED UP. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.