Service difficulty report · Controller · Boeing 737890

Difficulty date
August 30, 2023
Submitted
September 1, 2023
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
56,479 hours, 16,873 cycles
Part
Controller
Part number
6228145
Part serial
62281404287
Condition
Inoperative
Location
E/E Bay, E3-3
Part time
56,925 hours, 16,877 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

RIGHT PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHES ON MASTER CUATION RESET. GROUNDED - YES. RELEASED PER MEL 21-32B RT PACK TEMP CONTROL PRIMARY/BACKUP INOP RESET UPON MASTER CUATION RESET AUTH BY SEAMC JARED@0016ZPERFORMED PZTC BITE. FOUND FAUL "PACK/ZOME CONTROLLER FAULT" ON RH TEMP CONTROLLER. REF FIM 21-62 TASK 801. REMOVED AND REPLACED ZONE TEMP CONTROLLER 2, M1443. OPS NORMAL. NO FAULTS FOUND. RIGHT PACK LT, CONT CAB ZONE TEMP LT, AND FWD CAB ZONE TEMP LT REMAIN EXTINGUISHED ON RECALL. REF AMM 21-61-20/401. THIS CLEARS MEL 21-32B. PLACARDS REMOVED. SEAMC TODD NOTIFIED.