Service difficulty report · Control Valve · Boeing 737890

Difficulty date
December 1, 2022
Submitted
December 5, 2022
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
50,065 hours, 14,720 cycles
Part
Control Valve
Condition
Faulted
Location
A/C Pack
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

RIGHT PACK LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED PACK TEMP CTRL BITE IAW FIM 21-62 TASK 801. NR 2 TCV FAULT PRESENT. BITE PASSED, PACK LIGHT EXTINGUISHED ON RECALL.