Service difficulty report · Unknown · Boeing 737890

Difficulty date
October 26, 2023
Submitted
October 27, 2023
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
57,090 hours, 17,119 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
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

RH PACK LIGHT ILLUMINATES ON RECALL. RESETS W/ MC. GROUNDED - YES. (RESOLVED ON W/O: 1975207 TASKCARD: N/R-00001 ) INITIAL EVALUATION, NO PACK LT LH/RH ON MASTER RECALL. PZTC BITE IAW FIM 21-62 TASK 801. #2 CONTROLLER FOR RH PACK, NO FAULTS. #1 PZTC HAD CONTROLLER FAULT - "STANDBY PACK" ON PREV FLT, GREEN ON BIT, CLEARED GREEN ON VERIFY. FOLLOWING FIM 21-62 TASK 802, INDICATES #1 CONTROLLER FAULT. RAN BOTH PACKS FULL COLD/FULL WARM, INDEPENDANTLY AND TOGETHER IAW AMM 21-61-00-700-807-002. NO DEFECTS NOTED. NO A/C HISTORY FOR CONTROLLER FAULTS 1/2 PZTC. THIS CLEARS MEL 21-32B. PLACARDS REMOVED. SEAMC PETER NOTIFIED. NO A/C CONFIG CHANGES.