Service difficulty report · Pump · Boeing 737890

Difficulty date
February 25, 2011
Submitted
March 1, 2011
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
11,614 hours, 3,627 cycles
Engine
Cfmint CFM567B273
Part
Pump
Part number
3404021050
Part serial
YA050446
Condition
Leaking
Location
Nr 2 Engine
Part time
11,614 hours, 3,627 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

NUMBER TWO ENGINE FUEL PUMP HAS INTERNAL LEAK. REMOVED AND REPLACED FUEL PUMP REF B737 NG AMM 73 11 01, OPS CHECK GOOD REF 21 00 00 TEST 13, TEST 12 NO LEAK NOTICED TEST OK.