Service difficulty report · Pump · Boeing 737890

Difficulty date
November 8, 2012
Submitted
November 27, 2012
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
21,100 hours, 6,530 cycles
Engine
Cfmint CFM567B27
Part
Pump
Part number
8283005
Part serial
YA049921
Condition
Leaking
Location
Nr 1 Engine
Part time
21,249 hours, 6,572 cycles
Stage of operation
IN
How discovered
V
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

DURING NR 1 ENGINE TEST 3A IDLE LEAK CHECK FOUND FUEL PUMP PAD DRAIN LEAKING AT RATE OF 25 DROPS PER MIN. R & R NR 1 ENGINE FUEL PUMP REF MM 73-11-01-400-801-F00, STEPS 3.G. THRU 3.I.(3). COMPLETED LEAK/ OPS GROUND VERIFICATION CHECKS. NO LEAKS NOTED. REF MM 73-11-01-400-801-F00, STEP 3.J.