SDR ABXA9900353

Service difficulty report · Relief Valve · Doug DC861

Difficulty date: May 7, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N841AX
Make and model: Doug DC861
Aircraft serial: 45908
System (JASC): 2910 · Hydraulic System, Main
Part: Relief Valve
Part number: 113965650
Condition: Leaking
Location: Lt Mlg
Stage of operation: LD
Nature of condition: K, J
Precautionary procedure: O

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

What was found

ON LANDING AT OAK, HYDRAULIC QUANTITY DECREASED TO ZERO, HYDRAULIC PRESSURE WENT TO ZERO, BRAKE PRESSURE REDUCED TO 900 PSI. STEERING AND BRAKES WERE UNUSEABLE. REPLACED LEFT MAIN GEAR PRESSURE RELIEF VALVE IAW DC8 MM 32-33-2, OPS AND LEAK CHECKED GOOD.

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