SDR SWAA030682

Service difficulty report · Hydraulic Line · Boeing 7372T4

Difficulty date: March 25, 2003
Submitted: April 4, 2003
Operation: Air carrier
Aircraft: N721WN
Make and model: Boeing 7372T4
Aircraft serial: 22697
Aircraft time: 66,264 hours, 56,155 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Hydraulic Line
Part number: 65445461473
Condition: Leaking
Location: Hyd System
Stage of operation: TO
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 TURNBACK, DURING TAKEOFF, A-SYSTEM HYDRAULICS FAILED, LOW QUANTITY AND PRESSURE INDICATED. FOUND HYD LINE ON LT MLG ACTUATOR FAILED. REMOVED AND REPLACED HYD LINE ON LT MLG ACTUATOR PER MM. SERVICED AND BLEED HYD SYSTEM, NO FURTHER LEAKS NOTED PER MM.

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