Service difficulty report · Control Valve · Boeing 737890

Difficulty date
February 17, 2018
Submitted
February 21, 2018
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
43,520 hours, 13,133 cycles
Part
Control Valve
Part number
3989085
Part serial
22238
Condition
Faulted
Location
Rt A/C Pack
Part time
12,911 hours, 4,263 cycles
Stage of operation
NR
How discovered
O
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

ON RECALL, NR 2 PACK LIGHT ILLUMINATED ON MASTER CAUTION, PUSHED TO RESET, LIGHT EXTIGUISHED. GROUNDED - YES. RELEASED PER MEL 21-32B RT HAND PACK PRIMARY TEMP CONTROL IS INOP. PERFORMED B737-800 FIM 21-62 TASK 801 FOUND RIGHT PACK TCV ILLUMINATED. REMOVED AND REPLACED RIGHT PACK TCV IAW AMM 21-51-10. OPS CHECK GOOD.