SDR ABXA9500245

Service difficulty report · O-Ring · Doug DC862

Difficulty date: March 24, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N805AX
Make and model: Doug DC862
Aircraft serial: 45906
System (JASC): 2910 · Hydraulic System, Main
Part: O-Ring
Part number: NAS161220
Condition: Defective
Location: Nr 2 Hyd Pump
Stage of operation: AP
Nature of condition: K
Precautionary procedure: O

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

What was found

DURING APPROACH AFTER THE FLAPS WERE SELECTED TO 35 DEGREES, THE HYDRAULIC FLUID LEVEL IN THE MAIN RESERVOIR WENT TO STANDPIPE LEVEL. FOUND DEFECTIVE O-RING AT THE NR 3 ENGINE HYDRAULIC PUMP INLET ELBOW. REPLACED O-RING. SERVICED, LEAK, AND OPS CHECKED SYSTEM IAW DC 8 MM CHAPTER 29.

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