Service difficulty report · Transceiver · Boeing 737890

Difficulty date
June 2, 2012
Submitted
June 30, 2012
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
20,906 hours, 6,628 cycles
Engine
Cfmint CFM567B27
Part
Transceiver
Part number
8220990004
Part serial
17TD5F
Condition
Inoperative
Location
Hf System
Part time
8,916 hours, 2,736 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

UNABLE TO TRANSMIT OR RECEIVE ON HF 2. CHANNELIZE TONE LASTED 5 SECONDS ON EACH TUNE ATTEMPT. NO SIDE TONE ON TRANSMITT. UNABLE TO HEAR WWV ON RECEIVE CHECK. VERIFIED HF 2 FROM CAPTAINS AND F/O INOPERATIVE. R & R HF 2 TRANSCEIVER, REF MM 23-11-21. OPS NORMAL. ALSO REF FIM 23-11, TASK 806, FIM 23-11, TASK 801. GROUND VERIFICATION TESTED GOOD.