SDR SWAA095890

Service difficulty report · Shutoff Valve · Boeing 7373H4

Difficulty date
September 15, 2009
Submitted
September 18, 2009
Operation
Air carrier
Aircraft
N368SW
Make and model
Boeing 7373H4
Aircraft serial
26579
Aircraft time
48,738 hours, 42,295 cycles
Part
Shutoff Valve
Part number
6544991
Part serial
2484
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
CL
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

AIR TURNBACK - HYD A-SYS FAILURE FOLLOWED BY LOW PRESS LIGHT INDICATION AND LOSS OF HYDRAULIC FLUID. REMOVED AND REPLACED FLIGHT CONTROL SHUT OFF VALVE MODULE DUE TO LEAK PER MM.

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