Service difficulty report · Control Valve · Boeing 737890

Difficulty date
August 10, 2013
Submitted
August 13, 2013
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
20,849 hours, 6,507 cycles
Part
Control Valve
Part number
3989083
Part serial
10459
Condition
Faulted
Location
Rt A/C Pack
Part time
20,860 hours, 6,509 cycles
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 WITH MASTER CAUTION PUSHED. ACFT GROUNDED. REPLACED TEMPERATURE CONTROL VALVE IAW AMM 21-51-10, OPS CHECK GOOD.