SDR UALA2008111301963

Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date: April 5, 2008
Submitted: December 12, 2008
Operation: Air carrier
Aircraft: N668UA
Make and model: Boeing 767322
Aircraft serial: 30024
Aircraft time: 32,214 hours, 8,905 cycles
Engine: Pwa PW4056
System (JASC): 2150 · Cabin Cooling System
Part: Shutoff Valve
Part number: 3964622
Condition: Failed
Location: Ac Bay
Stage of operation: IN
How discovered: O
Nature of condition: W, J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

PACK "OFF" LIGHT & "PACK OFF" EICAS MESSAGE DISPLAYED WITH PACK SELECTED TO AUTO. NO "PACK TEMP" OR "INOP" LIGHT DISPLAYED. RECURRED ON FLT 0059-07. REPLACED FLOW CONTROL SHUT OFF VALVE. OPERATIONAL CHECK WAS GOOD. REPLACED FLOW CONTROL CARD ASSY, CHECKS OK.