SDR 2002F00356

Service difficulty report · Line · Swrngn SA227AC

Difficulty date: January 14, 2002
Submitted: April 2, 2002
Operation: Air carrier
Aircraft: N27465
Make and model: Swrngn SA227AC
Aircraft serial: AC755B
System (JASC): 2900 · Hydraulic Power System
Part: Line
Condition: Leaking
Location: Hyd System
Stage of operation: CR
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

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

What was found

DFW - FLT 1302 - ONE HUNDRED THIRTY MILES FROM ORGINATING STATION, AIRCRAFT LOST HYDRAULIC PRESSURE. CREW RETURNED TO STATION AT MAX GEAR EXTENSION SPEED. GEAR WAS PUMPED DOWN USING EMERGENCY CHECKLIST. HYDRAULIC LEAK CAUSED LOSS OF HYDRAULIC FLUID LEADING TO LOSS OF HYDRAULIC PRESSURE. REPAIRED LINE BY SPLICING IN NEW SECTION PER MM. BOTH HYDRAULIC PUMPS CHANGED DUE TO EXCEEDING MM RESTRICION ON LENGTH OF TIME THE PUMPS CAN RUN WITHOUT FLUID. (M)