Service difficulty report · Transceiver · Boeing 737890

Difficulty date
April 15, 2010
Submitted
April 19, 2010
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
12,172 hours, 3,541 cycles
Part
Transceiver
Part number
6225132633
Part serial
1K9BL
Condition
Malfunctioned
Location
Weather Radar
Part time
18,185 hours, 5,908 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

MULTIPLE RADAR STRIATIONS (FALSE RETURNS LIKE SLICES OF PIE OR SPOKES) MAINLY IN THE 40 AND 80 MILE RANGE SCALES. COULD NOT DUPLICATE, GROUND TEST PASS. PART NUMBER VERIFIED BY SEAMC. NO HISTORY REPLACED WXR RT WITH SERVICEABLE ONE. ACCOMP OPS TEST, TEST PASS REF M/M 34 43 00 710 802 001 & 34 43 41 400 801 PER SEAMC. GROUND VERIFICATION SUCCESSFUL.