SDR UALA2008122306971

Service difficulty report · Pump · Boeing 767322

Difficulty date: December 23, 2008
Submitted: December 26, 2008
Operation: Air carrier
Aircraft: N665UA
Make and model: Boeing 767322
Aircraft serial: 29237
Aircraft time: 36,894 hours, 10,352 cycles
Engine: Pwa PW4056
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Part number: 65057
Condition: Leaking
Location: Lt Engine
Stage of operation: NR
How discovered: O
Nature of condition: K
Precautionary procedure: O

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

What was found

EDP HYD OVERHEAT LGT ILLUM. EICAS MSG (L, R) PRIM HYD OVERHEAT DISPLAYED. PUMP WAS DEACTIVATED, POS 1 (01=L,02=R). FOUND L ENG HYD PUMP LEAKING. REPLACED PUMP. ACP'D SYSTEM FLUSH, REPLACED CASE DRAIN AND PRESSURE FILTERS 3 TIMES. SERVICED L HYD SYS TO FULL.