SDR CALA2013081390423

Service difficulty report · Outflow Valve · Boeing 767322

Difficulty date: August 12, 2013
Submitted: August 14, 2013
Operation: Air carrier
Aircraft: N641UA
Make and model: Boeing 767322
Aircraft serial: 25091
Aircraft time: 94,221 hours, 14,919 cycles
Engine: Pwa PW4060
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Outflow Valve
Condition: Malfunctioned
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

FWD EQUIPMENT VALVE EICAS ON ENG START. REPLACED FWD OVERBOARD VALVE V169, REINSTALLED RELAYS K1325, K1326 (P87PNL) OPS CHECKED SYS WITH ENGINE START, REACTIVATED ALL RELATED SYSTEMS. OPS CHECK GOOD REF- FIM 21-58-00, FIM 31-01-87. AC RETURNED TO NORMAL.