SDR ASAA2022112040878

Service difficulty report · Satcom · Boeing 7379

Difficulty date: November 20, 2022
Submitted: November 23, 2022
Operation: Air carrier
Aircraft: N919AK
Make and model: Boeing 7379
Aircraft serial: 44087
Aircraft time: 5,701 hours, 1,772 cycles
System (JASC): 2300 · Communications System
Part: Satcom
Condition: Unknown
Stage of operation: NR
How discovered: 9
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

BOTH SATCOM RECEIVERS HAD A VERY LOW VOLUME, WHICH MADE COMMUNICATION RECEPTION IMPOSSIBLE, FMC MENU OPS CHECK OK. GROUNDED - YES. PERFORMED SAT #1 & SAT #2 VOICE COMMUNICATION TEST WITH ALASKA DISPATCH NORMAL B737-9 AMM 23-15-00-710-801.

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