Service difficulty report · Pump · Boeing 737890

Difficulty date
March 25, 2015
Submitted
March 26, 2015
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
33,613 hours, 9,886 cycles
Engine
Cfmint CFM567B27
Part
Pump
Part number
8283005
Part serial
YA050128L
Condition
Leaking
Location
Nr 1 Engine
Part time
28,710 hours, 8,532 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

ON ENGINE CHECK, OBSERVED FUEL UNDER NR 1 ENGINE. ACFT GROUNDED. RAN NR 1 ENGINE FOR APPROXIMATLELY 10 MINUETS FOUND LEAK TO BE AT 14 DROPS A MINUTE. RUNNING AT IDLE. FOUND FUEL COMING FROM FUEL PUMP DRAIN. FOUND TO BE WITHIN LIMITS BUT WILL REQUIRE CHANGE WITHIN 75 CYCLES REF AMM 71-71-00-200-801-F00. REMOVED FUEL PUMP PACKAGE IAW MM 73-11-01-000-801. INSTALLED FUEL PUMP PACKAGE IAW MM 73-11-01-400-801. LEAK AND OPS CHECK OK. OPS TESTS & LEAK CKS GOOD.