Service difficulty report · Hose · Boeing 757200

Difficulty date
August 18, 2022
Submitted
August 23, 2022
Operation
Air carrier
Aircraft
N919FD
Make and model
Boeing 757200
Aircraft serial
24636
Aircraft time
77,256 hours, 28,476 cycles
Part
Hose
Part number
AS11508K0322
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

AT 300FT ON LANDING, WE EXPERIENCED A L HYD QTY MESSAGE, FOLLOWED BY L HYD SYS PRESS UPON LANDING. HYD QTY SHOWS 0.00. DUE TO L HYD SYS TOTAL LOST OF FLUID, INTERNAL DAMAGE CHECK FOR LEFT ENGINE-DRIVEN PUMP MUST BE PERFORMED. AMM 20-10-10-8 TEMPORARY REPAIR OF FLEXIBLE HYD HOSES INSTALLATION OF A FLEXIBLE HOSE IS NOT CONSIDERED TO BE A PERMANENT REPAIR FOUND NOSE LANDING GEAR FLEXIBLE HOSE BROKEN. PERFORMED TEMPORARY REPAIR AS PER AMM 20-10-10-8 USING ALTERNATE HOSE CPN 3211517 DUE TO ORIGINAL PART NOT AVAILABLE AT STA. APPROVED FOR AN OIL. WORK PERFORMED IAW AMM 29-11-00-2 STEP 1.E TABLE 201 "CONDITION 2. A PUMP FAILURE OR COMPLETE LOSS OF SYSTEM FLUID THAT CAUSES HYDRAULIC FLUID CONTAMINATION.

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