Service difficulty report · Hose · Boeing 777300ER

Difficulty date
March 11, 2024
Submitted
March 14, 2024
Operation
Air carrier
Aircraft
N2140U
Make and model
Boeing 777300ER
Aircraft serial
62651
Aircraft time
29,359 hours, 3,235 cycles
Part
Hose
Part number
AS4568G0364SS
Condition
Damaged
Location
Hyd System
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
B, A

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

What was found

HYD PUMP PRI C2 EICAS STATUS LOW CENTER SYSTEM HYDRAULIC PRIMARY PUMP #2 PRESSURE WHEN COMMAN DED ON, OR CENTER PRIMARY PUMP #2 OVERHEAT. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 2910560 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: HYDRAULIC INTERFACE MOD ULE (HYDIM)(CL) FOUND MAIN LANDING GEAR STEERING ACTUATOR PRESSURE LINE BURST AT FITTING END (CARRIER END OF LINE) BETWEEN TORQUE LINK AND CARRIER. FLEXIBLE HOSE REMOVAL CARRIED OUT IAW MM TASK 20-10-10-000-801. BLANKS INSTALLED. FLEXABLE HOSE P/N AS4568G0364SS REPLACED PER AMM 20-10-10-400-801. CENTRE HYDRULIC SYSTEM SERVICED TO FULL PER 12-12-01-610-803. PER AMM 32-00-50-440-801 MAIN GEAR STEERING SYSTEM ACTIVATION. STEERING RETURNED TO NORMAL. CARRIED OUT MAIN HYC SYS LEAK CHECK PER 29-11-00-200-804. NO FURTHER LEAKS FOUND. ALL STATUS MESSAGES ARE NOT ACTIVE.

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