SDR HALA2010030900091

Service difficulty report · O-Ring · Boeing 7673CB

Difficulty date: March 9, 2010
Submitted: March 9, 2010
Operation: Air carrier
Aircraft: N592HA
Make and model: Boeing 7673CB
Aircraft serial: 33468
Aircraft time: 26,758 hours, 5,137 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: O-Ring
Condition: Leaking
Location: Hyd System
Stage of operation: CR
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 DIVERSION - L HYD QTY READS .35 RF ILLUMINATED. TROUBLESHOT, FOUND HYD LEAK COMING FROM PLUG MS9954-02 ON LEFT ENGINE DRIVEN HYD PUMP. REMOVED AND REPLACED PLUG AND O-RING, RAN ENGINE NO LEAKS NOTED. RESERVICED L HYD SYSTEM TO 1.04,OK FOR SERVICE.

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