SDR ASAA2013111896457

Service difficulty report · Transceiver · Boeing 737890

Difficulty date: November 18, 2013
Submitted: November 21, 2013
Operation: Air carrier
Aircraft: N566AS
Make and model: Boeing 737890
Aircraft serial: 35182
Aircraft time: 26,478 hours, 8,052 cycles
System (JASC): 2300 · Communications System
Part: Transceiver
Condition: Locked
Stage of operation: NR
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

NO SATCOM PROMPT ON MCDU MENU PAGE. ACFT GROUNDED. PERFORMED FIM 23-15, TASK 801, CYCLED CB IAW SAME. IRIDIUM TRANSCEIVER WAS IN LOCKED-UP STATE, RETURNED TO NORMAL OPS AFTER CB CYCLE. PERFORMED SATCOM OPS, REF MM 23-15-00-730-801, OPS NORMAL. GROUND VERIFICATION GOOD.