Service difficulty report · Pump · Boeing 737890

Difficulty date
February 4, 2018
Submitted
February 12, 2018
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
35,883 hours, 10,782 cycles
Engine
Cfmint CFM567B27
Part
Pump
Part number
3404021050
Part serial
YA049174J
Condition
Leaking
Location
Nr 2 Fuel
Part time
39,121 hours, 12,053 cycles
Stage of operation
TX
How discovered
O
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

FUEL LEAK FROM THE NR 2 ENGINE. ACFT GROUNDED. ACCOMPLISHED TEST 3A AT IDLE POWER, LEAK CHECKED IAW AMM 71-00-00-700-801-F00. FOUND LEAK FROM FUEL PUMP PAD DRAIN. LEAK IS AT 38 DROPS PER MINUTE. REMOVED AND REPLACED THE NR 2 ENGINE FUEL PUMP IAW AMM 73-11-01-000-801-F00, AND TC N8473000 FOR REMOVAL AND AMM 73-11-01-400-801-F00 AND TC N8473001 FOR INSTALLATION. TESTED THE NR 2 ENGINE IAW AMM 73-34-01-400-801-F00 & 71-00-00-800-811-F00, TABLE 502. GROUND VERIFICATION REPAIR CONFIRMATION SUCCESSFUL IAW AMM 71-71-00-200-801-F00.