SDR IPXA2017082320885

Service difficulty report · O-Ring · Boeing 75724APF

Difficulty date: August 22, 2017
Submitted: August 25, 2017
Operation: Air carrier
Aircraft: N462UP
Make and model: Boeing 75724APF
Aircraft serial: 28266
Aircraft time: 30,658 hours, 15,549 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: O-Ring
Part serial: 16128
Condition: Leaking
Location: Hyd System
Stage of operation: AP
How discovered: O
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

EMERGENCY DECLARED, THE LEFT HYDRAULIC RESEVOIR QTY LOW. FOUND A HYD LEAK ON FLAP STALL DEPRESSURIZATION MODULE ASSY CONNECTOR. R & R THE O-RING IAW AMM 20-10-19-404-001. SERVICED THE LT HYD SYS IAW AMM 12-12-01-301. LEAK CHECKED GOOD. NO LEAKS NOTED IAW AMM 29-11-00-201, CONDITION 3, STEPS 1, 2, 3. NO DEFECTS FOUND.

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