Service difficulty report · Transceiver · Boeing 737890

Difficulty date
September 6, 2023
Submitted
September 8, 2023
Operation
Air carrier
Aircraft
N586AS
Make and model
Boeing 737890
Aircraft serial
35189
Aircraft time
56,915 hours, 17,118 cycles
Part
Transceiver
Part number
8220990004
Part serial
46Y6D2
Condition
Malfunctioned
Location
E/E Shelf E8-1
Part time
25,201 hours, 7,690 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

"FAIL" DISPLAYED ON HF-1 COMM PANEL INTERMITTENTLY. GROUNDED - YES. T/S AND FOUND #1 HF TXCVR @ FAULT. REMOVED AND REPLACED #1 HF TXCVR & OPS CKS NML IAW AMM 23-11-01 - "FAIL" NO LONGER DISPLAYED. SFO RADION CK ON 6640 GOOD.