SDR CA110601004

Service difficulty report · Line · Boeing 7572B7

Difficulty date: June 1, 2011
Submitted: September 9, 2011
Operation: Air carrier
Make and model: Boeing 7572B7
Aircraft time: 53,193 hours
Engine: Rroyce RB211535E437
System (JASC): 2910 · Hydraulic System, Main
Part: Line
Condition: Leaking
Location: Hydraulic Pump
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

APPROX 120NM FROM DEPARTURE AIRPORT, CTR HYD SYS INDICATED TOTAL LOSS OF FLUID. RETURNED TO AIRPORT, MX COMFIRMED FLUID LOSS, FOUND FLEXIBLE LINES (PRESSURE & CASE DRAIN) FROM THE OTBD ACMP HAD CHAFED CAUSING LEAK. LINES REPLACED. ACFT RETURNED TO SERVICE.

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