Service difficulty report · Counter · Boeing 737824

Difficulty date
February 7, 2024
Submitted
February 9, 2024
Operation
Air carrier
Aircraft
N12221
Make and model
Boeing 737824
Aircraft serial
28930
Aircraft time
76,704 hours, 28,369 cycles
Part
Counter
Part number
3104
Condition
Smoke
Location
Control Column
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

SMOKE CAME FROM NUMBER DIAL ON CAPTS YOKE LASTED A FEW SECONDS D ISSAPATED QUICKLY UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC METER INITIATED FOR WITH VENDOR ID V946822 MAC RELATED WORK ORDER 000000003096659 AND PRTR, PULLED CB C4 ON CAPTAIN'S AUX LIGHT PANEL BELOW CAPTAIN''S RUDDER PEDAL ADJUSTMENT KNOB. AFFECTED LIGHTS ARE BACKGROUND LIGHTING FOR NUMBER DIAL ON CAPTAIN''S YOKE. CAPTAIN'S MAP LIGHT, AND CAPTAIN'S CDS BACKGROUND LIGHTING. MEL 3301A APPLIED. REF WDM 33-11-11. PULLED CB C4 ON CAPTAIN`S AUX LIGHT PANEL BELOW CAPTAIN''S RUDDER PEDAL ADJUSTMENT KNOB. AFFECTED LIGHTS ARE BACKGROUND LIGHTING FOR NUMBER DIAL ON CAPTAIN'S YOKE. CAPTAIN'S MAP LIGHT, AND CAPTAIN'S CDS BACKGROUND LIGHTING. MEL 3301A APPLIED. REF WDM 33-11-11. DEFERRED DIRECTLY BY TOMC REPLACED NUMBER DIAL, ALL LIGHTS FUNCTION NORMAL, NO SMELL OBSERVED.MM27-11-41-02. MM33-11-00-960-803.CONTROL COLUMN MEMORY DEVICE.