Service difficulty report · Control Valve · Boeing 737890

Difficulty date
May 23, 2010
Submitted
May 25, 2010
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
10,277 hours, 3,116 cycles
Part
Control Valve
Part number
3989083
Part serial
9779
Condition
Faulted
Location
Lt A/C Pack
Part time
10,282 hours, 3,118 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

LEFT PACK ILLUMINATES WITH MASTER CAUTION RECALL ACTIVATION GROUNDED YES. REMOVED AND REPLACED TEMP CONTROL VALVE FOR LEFT PACK. OPS CHECKED GOOD PER AMM 21 51 10.