Service difficulty report · Control Valve · Boeing 737890

Difficulty date
August 2, 2012
Submitted
August 28, 2012
Operation
Air carrier
Aircraft
N514AS
Make and model
Boeing 737890
Aircraft serial
35193
Aircraft time
14,906 hours, 4,718 cycles
Engine
Cfmint CFM567B273
Part
Control Valve
Part number
3989083
Part serial
11284
Condition
Inoperative
Location
Lt A/C Pack
Part time
14,933 hours, 4,728 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 LIGHT ILLUMINATED AFTER START, ON RECALL & LIGHT RESETS WITH M/C. ACFT GROUNDED. REPLACED TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-400-801.