Service difficulty report · Control Valve · Boeing 737890

Difficulty date
December 28, 2010
Submitted
January 4, 2011
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
10,198 hours, 3,288 cycles
Part
Control Valve
Part number
3989083
Part serial
10590
Condition
Failed
Location
Ac Bay
Part time
10,207 hours, 3,291 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHEN RECALL IS PUSHED AND RELEASED MASTER CAUTION AIR COND ILLUMINATES AND RT PACK LIGHT ILLUMINATES EXTINGUISHES WHEN MASTER CAUTION IS PUSHED. REMOVED & REPLACED THE RIGHT TEMP CONTROL VALVE PER AMM 21 51 10.