SDR HALA2009082500382

Service difficulty report · O-Ring · Boeing 76733A

Difficulty date: August 25, 2009
Submitted: August 26, 2009
Operation: Air carrier
Aircraft: N593HA
Make and model: Boeing 76733A
Aircraft serial: 33424
Aircraft time: 24,690 hours, 4,764 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: O-Ring
Condition: Leaking
Location: Hyd System
Stage of operation: IN
How discovered: V
Nature of condition: K
Precautionary procedure: K

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

What was found

ETOPS SIGNIFICANT SYS, HYD LEAK FOUND, NR 2 ENG PYLON AFT DRAIN. FOUND RT AC PUMP FILTER MODULE LEAKING AT OTBD UNION. REMOVED FILTER MODULE DUE TO DIFFICULT ACCESS. REPLACED ALL O-RINGS REINSTALLED MODULE. LEAK CK GOOD IAW MM 29-11-18.

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