Service difficulty report · Hydraulic Line · Boeing 7374B7

Difficulty date
January 29, 2012
Submitted
January 30, 2012
Operation
Air carrier
Aircraft
N435US
Make and model
Boeing 7374B7
Aircraft serial
24557
Aircraft time
59,682 hours, 39,768 cycles
Part
Hydraulic Line
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
A

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

What was found

AT CRUISE, EN ROUTE FROM MIA TO CLT, AIRCRAFT LOST SYSTEM A HYDRAULICS. CREW DECLARED AN EMERGENCY, FLIGHT DIVERTED TO MCO AND MADE AN OVERWEIGHT LANDING. A/C WEIGHT 123 ,800 LBS SPEED 145 KTS RATE OF DESCENT 100FPM. MAINTENANCE FOUND HYDRAULIC LINE FLEX IN WHEEL WELL WITH SMALL HOLE. REMOVED AND REPLACED HYDRAULIC LINE ALONG WITH NR 1 ENGINE HYDRAULIC PUMP AND SYSTEM A HYDRAULIC FILTERS. OPS CHECK AND LEAK CHECK GOOD. PERFORMED OVERWEIGHT LANDING INSPECTION PER AMM 05-51-74, SERVICED HYDRAULIC SYSTEM PER AMM 29-10-00 AND TROUBLESHOOTING ACCOMPLISHED PER AMM 29-15-00.

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