SDR 96FDEA01267

Service difficulty report · Check Valve · Doug DC1010CF

Difficulty date: July 19, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N68049
Make and model: Doug DC1010CF
Aircraft serial: 47803
System (JASC): 2740 · Stabilizer Control System
Part: Check Valve
Condition: Broken
Location: Stab Contl
Stage of operation: CR
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

DISCREPANCY: (MOCC 96-138) DURING LEVEL FLIGHT AT 27,000 FEET, NR 1 HYDRAULIC QUANTITY WENT TO ZERO. ACCOMPLISHED APPROPRIATE CHECK LIST. CORRECTIVE ACTION: FOUND NR 2 STABILIZER CONTROL VALVE CHECK VALVE BROKEN. REMOVED AND REPLACED CHECK VALVE, MOA FILTERS, AND ENGINE NR 1 HYDRAULIC PUMP.

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