Service difficulty report · Button · Boeing 737890

Difficulty date
July 5, 2017
Submitted
July 6, 2017
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
39,474 hours, 11,692 cycles
Part
Button
Condition
Dirty
Location
Wx Radar Sys
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

RADAR WILL NOT TEST UNLESS TEST BUTTON IS HELD IN THE DOWN POSITION. ACFT GROUNDED. CLEANED RADAR TEST BUTTON AND RADAR TEST NORMALLY WITHOUT BEING HELD IN THE TEST POSITION MANUALLY. GROUND VERIFICATION SUCCESSFUL IAW AMM 34-43-00.