SDR DXTA2012072505058

Service difficulty report · Indicator · Gulstm GIV

Difficulty date: July 24, 2012
Submitted: July 25, 2012
Operation: Air carrier
Aircraft: N498QS
Make and model: Gulstm GIV
Aircraft serial: 1398
Aircraft time: 9,887 hours, 4,911 cycles
System (JASC): 2930 · Hydraulic Indicating System
Part: Indicator
Condition: False Indication
Location: Hyd System
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

CHECK, HYDRAULIC QUANTITY LIGHT FOR COMBINED SYSTEM. SYNOPTIC PAGE SHOWED FLUID LEVEL AT BOTTOM OF SCALE. FLUID LEVEL ON SYNOPTIC PAGE CAME BACK UP ON SHORT FINAL. PERFORMED LT ENGINE RUN AND FOUND THAT THE COMBINED RESERVOIR WAS INDICATING SLIGHTLY ABOVE THE FILL MARK ON THE SYNOPTIC AND PISTON INDICATOR. SERVICED COMBINED HYD SYS IAW AMM 12-01-05. COMPLIED WITH VISUAL INSP OF ALL HYD BAYS AND ACTUATORS WITH NO LEAKS NOTED.