Service difficulty report · Line · Boeing 777222

Difficulty date
December 4, 2018
Submitted
December 7, 2018
Operation
Air carrier
Aircraft
N210UA
Make and model
Boeing 777222
Aircraft serial
30216
Aircraft time
67,817 hours, 14,234 cycles
Part
Line
Condition
Worn
Location
Hyd System
Stage of operation
CL
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

HYD QTY LOW L EICAS ADVISORY LEFT HYDRAULIC SYSTEM RESERVOIR QUANTITY LOW. QTY < .40 REPLACED WORN LINE WITH SUITABLE FROM HYD SPLICE KIT AND CLAMPS PER AMM20-10-300-801 LH WING FLAPERON IPS 27-11-12-10 ITEM 90 PART # AS4570H0212EE INTERIM FLEXIBLE HOSE INSTALLED AS A TEMPORARY REPAIR. CHECK THE HOSE INSTALLATION EVERY 2SV WITH THE NEXT 2SV SCHEDULED IN 4 DAYS. REPLACE THE HOSE BEFORE THE NEXT SCHEDULED A CHECK DUE IN 50 DAYS. TOMC-APPROVAL FROM SC1ELBYC COMMENT QC SERVICED L/H HYDRAULIC SYSTEM TO FULL PER AMM 12-12-01-301 REPLACED WORN LINE WITH QUALIFIED HOSE FROM HYD SPLICE KIT AND CLAMP PER AMM 20-10-10-300-801. PERFORMED FUNCTIONAL TEST FOR SYSTEM ON WHICH REPAIR WAS MADE. OPS AND LEAK CHECKS ARE GOOD. QC REVIEW INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.