Service difficulty report · Oil Cooler · Airbus A330243

Difficulty date
October 16, 2019
Submitted
October 21, 2019
Operation
Air carrier
Aircraft
N391HA
Make and model
Airbus A330243
Aircraft serial
1399
Aircraft time
29,592 hours, 4,624 cycles
Engine
Rroyce RB211TRENT77
Part
Oil Cooler
Part number
43792190001
Part serial
41139
Condition
Leaking
Location
Lt Engine
Part time
29,575 hours, 4,621 cycles
Stage of operation
NR
How discovered
9
Nature of condition
K
Precautionary procedure
O

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

What was found

ETOPS SIGNIFICANT SYSTEM - L/H ENG FUEL LEAK FROM DRAIN MAST VSVA/TCC EGR 10 MINS C/O LEAK INCREASED FROM 12DPM TO 50DPM IAW TASK 71-71-00-200-805A PT 1-8. 1 TSM TASK 71-00-00-810-914-A C/O LEAK ISOLATED TO AOHE CONFIRMED BEYOND DISPATCH LIMITS OF AMM 71-71-00-200-801-A DURING 10 MIN RUN APPROXIMATELY 15ML IN 10 MINS (15CC) DISTURBED DRAIN LINES RECONNECTED IAW AMM 50-51-00 TORQUE WRENCH #40054002. L/H ENG AIR OIL HEAT EX CHANGER REMOVED AND REPLACED IAW TASK 71-21-51000-803-A AND 71-21-400-803-A.

More about the Airbus A330-243