Service difficulty report · Display · Boeing 737401

Difficulty date
December 20, 2015
Submitted
March 30, 2016
Operation
Air carrier
Aircraft
N420US
Make and model
Boeing 737401
Aircraft serial
23987
Aircraft time
67,564 hours, 45,250 cycles
Part
Display
Part number
20412225451
Part serial
3463
Condition
Burned
Location
Wx Radar
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
H

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

What was found

DURING CLIMBOUT, RADAR WAS MAKING POPING NOISE AND CRACKLING NOISES. SMELLED ELECTRICAL, PULLED BOTH RADAR CB'S ON P6 PANEL. REMOVED WEATHER RADAR INDICATING USIT, INSPECTED AND IDENTIFIED SOURCE OF ODOR AND NOISE FROM INSIDE UNIT. REPLACED RADAR INDICATOR IAW AMM 34-41-51.