Service difficulty report · Pump · Boeing 737990ER

Difficulty date
September 23, 2014
Submitted
September 25, 2014
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
3,568 hours, 1,140 cycles
Engine
Cfmint CFM567B27E
Part
Pump
Part number
8283005
Part serial
YA055716
Condition
Leaking
Location
Nr 1 Engine
Part time
4,251 hours, 1,334 cycles
Stage of operation
IN
How discovered
9
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 ENGINE INSTALLATION, OPS & LEAK CHECK, NR 1 ENGINE FUEL PUMP PAD LEAKAGE. CLASSIFIED AS A RUNNING LEAK. ACFT GROUNDED. REMOVED FUEL PUMP PACKAGE IAW T/C 73-11-01-000-801-F00, ACCOMPLISHED STEPS 2 THRU 2H (15). FINISHED STEP 2.H, 16, 17, 18. FUEL PUMP PACKAGE REMOVAL IAW AMM 73-11-01-000-801-F00. INSTALLED FUEL PUMP PACKAGE IAW MM 73-11-01-400-801-F00 AND HMU IAW T/C'S N8473000 & N8473001.