Service difficulty report · Control Valve · Boeing 737890

Difficulty date
November 9, 2012
Submitted
November 14, 2012
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
22,786 hours, 6,920 cycles
Part
Control Valve
Condition
Malfunctioned
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 ILLUMINATES ON RECALL, EXTINGUISHES ON RESET. FOUND RT CONTROLLER TCV ON THIS PACK LIGHT ON AFTER PREVIOUS FLIGHT BUTTON PUSHED. BITE & VERIFY BOTH PASSED. NO LIGHT ON RECALL NOTED. NO HISTORY 90 DAYS.