Service difficulty report · Transceiver · Boeing 737890

Difficulty date
February 7, 2010
Submitted
February 10, 2010
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
12,723 hours, 3,988 cycles
Part
Transceiver
Part number
8220990004
Part serial
16GC15
Condition
Faulty
Location
Hf Comm
Part time
11,106 hours, 3,272 cycles
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 XMIT ON HF1 ALL FREQS CAN RECEIVE ON 5574 ONLY. C/B'S ALL IN. VERIFIED FAULT BITE CHECK ON HF1 TRANSCEIVER HAS LRU FAULT. REMOVED AND REPLACED HF1 TRANSCEIVER IAW MM 23 11 21. OPS NORMAL.