SDR UALA2010031900915

Service difficulty report · Transmitter · Boeing 767322

Difficulty date: March 19, 2010
Submitted: March 22, 2010
Operation: Air carrier
Aircraft: N653UA
Make and model: Boeing 767322
Aircraft serial: 25391
Aircraft time: 75,399 hours, 12,269 cycles
Engine: Pwa PW4060
System (JASC): 2933 · Hydraulic Quantity Indicator
Part: Transmitter
Part number: 019012001
Part serial: 6040
Condition: Faulty
Location: Hydraulic Sys
Stage of operation: IN
How discovered: O
Nature of condition: N
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 READS ZERO, HYD QTY LIGHT ILLUM. EICAS MSG DISPLAYED (L,R,C) HYD QTY HYDRAULIC LOW PRESS LIGHT IS EXTINGUISHED. POS 1 (01=L,02=R,03=C). REPLACED HYD QTY IND PER MM. REPLACED HYD QTY MONITOR UNIT. OPS CHECK OKAY. SERVICED HYD LEFT SYSTEM.