SDR SWIA2019102246550

Service difficulty report · O-Ring · Cndair CL6002C10

Difficulty date: October 21, 2019
Submitted: October 22, 2019
Operation: Air carrier
Aircraft: N752EV
Make and model: Cndair CL6002C10
Aircraft serial: 10166
Aircraft time: 34,409 hours, 25,106 cycles
System (JASC): 2915 · Hydraulic Pressure Relief Valve, Main
Part: O-Ring
Condition: Defective
Location: Hyd Press Mani
Stage of operation: AP
How discovered: O
Nature of condition: G
Precautionary procedure: O

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

What was found

HYD PUMP 3B CAUTION MSG ON SHORT FINAL. IB GND SPLRS CAUTION ON SHORT FINAL. CONTINUED LANDING. STEERING INOP ON LANDING. UPON STOPPING, HYD 3 FLUID LEVEL SHOWING 0%. TOW TO GATE REQUIRED. FLT # 3199 CLOSEDFOUND 3B PRESSURE MANIFOLD DELTA P SWITCH LEAKING OUT OF O-RING. REMOVED AND REPLACED DEFECTIVE O-RING ON HYD 3B PRESSURE MANIFOLD DELTA P SWITCH. SERVICED #3 HYDRAULIC SYSTEM AND PERFORMED OPERATIONAL/LEAK CHECK. HYD #3B OP AND LEAK CHECKS GOOD IAW AMM.