Service difficulty report · Controller · Boeing 737890

Difficulty date
August 12, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
60,534 hours, 17,894 cycles
Part
Controller
Part number
6228145
Part serial
093C0938
Condition
Faulty
Location
E/E Shelf E3-3
Part time
66,517 hours, 31,895 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

FWD CAB "ZONE TEMP" COMES ON WHEN RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1965000 TASKCARD: N/R-00003 ) ACCOMPLISHED FIM 21-62 TASK 904. PACK TEMP CONTROLLER BITE CONTROLLER FAILED PER FIM 21-62 T. 801. REMOVED AND INSTALLED NEW #1 ZONE TEMP CONTROLLER PER MM 21-62-20/401, OPS NORMAL. OPENED, COLLARD, RESET 3 C/B'S. NO SPECIAL PROCEDURES. GROUND VERIFICATION SUCCESSFUL. PLACARDS REMOVED. THIS CLEARS MEL 21-19G. SEAMC TODD NOTIFIED.