SDR UALA2011080404064

Service difficulty report · Unknown · Boeing 767322

Difficulty date: August 4, 2011
Submitted: September 6, 2011
Operation: Air carrier
Aircraft: N668UA
Make and model: Boeing 767322
Aircraft serial: 30024
Aircraft time: 44,354 hours, 11,835 cycles
Engine: Pwa PW4056
System (JASC): 2150 · Cabin Cooling System
Part: Unknown
Condition: Malfunctioned
Stage of operation: TO
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

EQUIP OVHT LIGHT ILLUMINATED AFTER T/O. RAN CHECK LIST NOW NN STBY POSITION LIGHT OFF. "FWD EQT FLOW" EICAS MSG DISPLAYED WITH ASSOCIATED OVHT LIGHT ON. FAN AND VALVE OPERATED NORMAL ON GROUND. KOA NO TIME TO T/S FURTHER. -INF- :SUSPECT EXHAUST FAN NOT RUNNING WITH AUTO SELECTED AND AIRCRAFT IN AIR MODE. RECOMMEND AUTO AIR MODE TEST. REPLACED K340 PER W-D 21-58-13 PAGE 2 & ACCMP'D TEST PER MM. VALVE OPS CHECKS OKAY.