Service difficulty report · Control Valve · Boeing 737890

Difficulty date
September 5, 2012
Submitted
September 7, 2012
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
19,237 hours, 5,923 cycles
Engine
Cfmint CFM567B27
Part
Control Valve
Condition
Faulted
Location
Rt A/C Pack
Stage of operation
TX
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 COMES ON DURING RECALL, EXTINGUISHES WITH MASTER CAUTION RESET. PERFORMED RT PACK BITE 21-61-00-700-806-802. FOUND TEMP CONTROL VALVE FAULT. CLEARED FAULT . PERFORMED GROUND OPS CHECK OF RT PACK, BITE CHECKED AGAIN, NO FAULTS FOUND. SYS RETURNED TO NORMAL.