Service difficulty report · Control Valve · Boeing 737890

Difficulty date
February 16, 2012
Submitted
February 21, 2012
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
15,910 hours, 5,110 cycles
Part
Control Valve
Part number
3989083
Part serial
10178
Condition
Malfunctioned
Location
Lt A/C Pack
Part time
15,945 hours, 5,121 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

A/C PACK LIGHT ON RECALL. REPLACED LT PACK CONTROL VALVE REF AMM 21-51-10-000-801 & 21-51-10-400-801. INSTALLATION TESTED GOOD. BITE TESTED GOOD.