Service difficulty report · Control Valve · Boeing 737890

Difficulty date
December 3, 2011
Submitted
December 5, 2011
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
17,741 hours, 5,413 cycles
Part
Control Valve
Part number
3989083
Condition
Malfunctioned
Location
Ac Bay
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 MASTER CAUTION PRESSED THE RIGHT PACK LIGHT ILLUMINATES, IT GOES OUT WHEN M/C PUSH TO RESET IS PRESSED. REPLACED TEMP CONTROL VAVE REF 21 51 10 00 801 401, OPS CHECK, LEAK CHECK GOOD.