SDR CALA2013081490461

Service difficulty report · Valve · Boeing 767322

Difficulty date: August 13, 2013
Submitted: August 15, 2013
Operation: Air carrier
Aircraft: N676UA
Make and model: Boeing 767322
Aircraft serial: 30028
Aircraft time: 45,276 hours, 10,875 cycles
Engine: Pwa PW4052
System (JASC): 2150 · Cabin Cooling System
Part: Valve
Part number: V91
Condition: Faulty
Stage of operation: LD
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

FWD EQUIPMENT VALVE LIGHT ILLUMINATED UPON LANDING. CONFIRMED FWD EQUIPMENT VALVE LIGHT ILLUMINATED AND EICAS STS MESSAGE FWD EQUIPMENT VALVE DISPLAYED. SYS RESET AND TEST PERFORMED IAW FIM 21-58-00 WITHOUT SUCCESS. CONFIRMED INBD SUPPLY VALVE V91 FAULTY. INBD SUPPLY VALVE V91 ELECTRICAL CONNECTOR DISCONNECTED, CAPPED & STOWED. VALVE DEACTIVATED AND SECURED IN CLOSED POS, REMOVED AND REPLACED V91 I-B SUPPLY VALVE IAW AMM, VALVE OPS NORMALLY. PLA REMOVED.