Service difficulty report · Control Valve · Boeing 7377BX

Difficulty date
February 23, 2015
Submitted
February 27, 2015
Operation
Air carrier
Aircraft
N737KA
Make and model
Boeing 7377BX
Aircraft serial
30740
Aircraft time
27,718 hours, 16,780 cycles
Part
Control Valve
Part number
32895625
Part serial
8073
Condition
Inoperative
Location
Precooler
Stage of operation
DE
How discovered
V
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

ON DECENT, RT DUCT PRESSURE INDICATED 15 PSI WITH LT PRESSURE AT 40 PSI. BLEED TRIP LIGHT ILLUMINATED. REPLACED PRE-COOLER CONTROL VALVE AND BLEED SYSTEM OPERATED NORMALLY.

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