SDR ASAA2019030228424

Service difficulty report · Card · Boeing 737890

Difficulty date: March 2, 2019
Submitted: March 6, 2019
Operation: Air carrier
Aircraft: N559AS
Make and model: Boeing 737890
Aircraft serial: 35178
Aircraft time: 46,081 hours, 13,723 cycles
System (JASC): 2310 · HF Communications System
Part: Card
Condition: Dirty
Location: Satcom
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

UNABLE TO MAKE VOICE CALLS ON SATCOM. BOTH 1&2 SAY NOT READY. SCRATCH PAD SAYS SATCOM VOICE UNAVAILABLE. GROUNDED - YES. REMOVED SATCOM TRANSCEIVER, REMOVED, CLEANED, AND RESEATED BOTH SIM CARDS IN THE CIM MODULE. REINSTALLED SATCOM TRANSCEIVER REF AMM 23-15-00. PERFORMED SATCOM SYSTEM TEST REF AMM 23-15-00-730-801 ON BOTH CHANNEL 1+2 WITH NO DEFECTS NOTED. CLEARS MEL 23-18. ETOPS GROUND VERIFICATION SUCCESSFUL.