SDR UALA2010071202476

Service difficulty report · Indicator · Boeing 767322

Difficulty date: July 11, 2010
Submitted: July 12, 2010
Operation: Air carrier
Aircraft: N671UA
Make and model: Boeing 767322
Aircraft serial: 30026
Aircraft time: 39,518 hours, 10,429 cycles
Engine: Pwa PW4056
System (JASC): 2931 · Hydraulic Pressure Indicator
Part: Indicator
Part number: SEDL0C9B
Condition: Leaking
Location: Hydraulic Sys
Stage of operation: NR
How discovered: O
Nature of condition: K, J
Precautionary procedure: O

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

What was found

HYD QTY ZERO. EICAS MSG DISPLAYED (L & R) HYD QTY SYSTEM PRESS LIGHT NOT ILLUM, POS 1 (01=L,02=R). CREW COMMENTS: HYD QTY NOT ZERO, DECREASING SLOWLY FROM .37. FOUND DIFFERENTIAL PRESSURE INDICATOR FOR THE PRESSURE FILTER, IN NR 1 ENGINE PYLON, DRIPPING STATICALLY AND SPRAYING WHEN PUMPS TURNED ON. REPLACED DIFFERENTIAL PRESSURE INDICATOR, RAN PUMPS, NO LEAKS NOTED. LT HYDRAULIC RESERVOIR AT .03 ON ARRIVAL. SERVICED TO FULL.