SDR ASAA2014011012362

Service difficulty report · Satcom · Boeing 737990ER

Difficulty date: January 10, 2014
Submitted: January 13, 2014
Operation: Air carrier
Aircraft: N435AS
Make and model: Boeing 737990ER
Aircraft serial: 43292
Aircraft time: 674 hours, 228 cycles
System (JASC): 2300 · Communications System
Part: Satcom
Condition: Malfunctioned
Stage of operation: TX
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

AT GATE JUST PRIOR TO PUSHBACK, COCKPIT CHIMES ACTIVATED CONTINUOUSLY AND WE WERE UNABLE TO SILENCE THEM. SAT-1 AND SAT-2 LIGHTS ON STEADY ON HF/SAT SELECT PANEL, NO SATCOM PROMPT ON ACARS MENU PAGE. ACFT GROUNDED. RESET SATCOM RECEIVER/TRANSMITTER BY CYCLING SATCOM C/B. CHECKED SATCOM UNIT FOR POWER AND ALL GREEN LIGHTS. SATCOM PROMPT CAME BACK ON MCDU AND SATCOM, OPS CK GOOD REF FIM 23-15, TASK 801.