Service difficulty report · Pump · Boeing 737890

Difficulty date
August 25, 2021
Submitted
August 30, 2021
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
50,522 hours, 15,000 cycles
Engine
Cfmint CFM567B27
Part
Pump
Part number
82830011
Part serial
YA0117645
Condition
Leaking
Location
Nr 1 Eng Fuel
Part time
62,339 hours, 28,963 cycles
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

AFTER RUNNING ENGINES FOR RON OILS NOTED FUEL LEAKING FROM #1 ENGINE FAN COWL. GROUNDED - YES. OPENED #1 ENGINE FAN COWL AND PERFORMED IDLE ENGINE LEAK CHECK. FUEL WAS DRIPPING FROM #1 ENGINE FUEL DPI SWITCH AND FILTER BOWL @ APPROX 60 DRIPS PER MINUTE. FUEL ALSO LEAKING FROM BEHIND THE FUEL PUMP AND UNKNOWN LOCATIONS. SHUT DOWN ENGINE AND CLOSED #1 FAN COWL 36204 8/25/21. FUEL LEAKING FROM RELEIF VALVE HOUSING ON BACK SIDE OF FUEL PUMP. MIG 2C 40-0043979 INI. 82391 MIG 2C 40-0043980 INIT. FUEL PUMP REPLACED ON T/C N8473003, N8473001, N8473000, N8473002, W/ 1882524. IG 2C 40-0043979 AND 40-0043980 ITEMS CLOSED. LEAK OPS CK GOOD.