Service difficulty report · Transceiver · Boeing 737890

Difficulty date
September 22, 2015
Submitted
September 24, 2015
Operation
Air carrier
Aircraft
N594AS
Make and model
Boeing 737890
Aircraft serial
35191
Aircraft time
28,929 hours, 8,815 cycles
Part
Transceiver
Part number
8220990004
Part serial
1860LR
Condition
Failed
Location
Hf Comm
Part time
19,558 hours, 5,811 cycles
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

NR 1 HF RADIO RECEIVER IS GARBLED AND UNREADABLE ON ALL FREQUENCIES THAT WE TRIED. TRANSMIT AND SELCAL OPERATE NORMALLY. ACFT GROUNDED. REPLACED NR 1 TRANSCEIVER. OPS CHECK NORMAL REF AMM 23-11-400. GROUND VERIFICATION TEST GOOD.