Service difficulty report · Cooling Valve · Boeing 727247

Difficulty date
January 27, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N2817W
Make and model
Boeing 727247
Aircraft serial
20873
Engine
Pwa PW2037
Part
Cooling Valve
Condition
Failed
Location
Ee Comp
Stage of operation
CL
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

DISPATCHED WITH ONE PACK, MIX VLV INOP. ACFT WOULD NOT HOLD THE CABIN WITH CARGO HEAT OUTFLOW CLOSED AND OUTFLOW VLV FULL CLOSED. REPLACED EQUIP COOLING VLV IN E/E COMP, PRESS ACFT TO 3 PSI AND OPERATION CKS OK.