SDR AALA20160213002

Service difficulty report · Hydraulic Line · Doug DC983

Difficulty date: February 13, 2016
Submitted: February 16, 2016
Operation: Air carrier
Aircraft: N980TW
Make and model: Doug DC983
Aircraft serial: 53630
Aircraft time: 45,483 hours, 22,435 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Hydraulic Line
Part number: 7936907615
Condition: Broken
Location: Hydraulic Sys
Stage of operation: CR
How discovered: O
Nature of condition: K
Precautionary procedure: H

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

What was found

AT CRUISE, JUST PRIOR TO DESCENT, LT HYD LOW PRESS LIGHT CAME ON. LT HYD QTY WENT TO 5. CREW TURNED THE HYD PUMP OFF. AN EMER WAS DECLARED. UPON LANDING, QTY WENT TO 1. LT T/R DEPLOYED BUT DID NOT STOW. REPLACED LT PRESS FILTER INBD HYD LINE & UNION IAW PP GPM, NO LEAKS NOTED. THE ACFT WAS GNDED.

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