Service difficulty report · Pump · Boeing 737890

Difficulty date
November 19, 2010
Submitted
November 22, 2010
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
11,633 hours, 3,424 cycles
Part
Pump
Part number
607551005
Part serial
080737825
Condition
Failed
Location
Fuel Tank
Part time
11,638 hours, 3,427 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

MAIN FUEL TANK NR 2 / AFT "LOW PRESSURE" LIGHT ILLUMINATED C/B CHECKED IN. FOLLOWED QRC AFT FUEL PUMP OFF. "LOW PRESSURE" LIGHT STILL ILLUMINATED (WITH 8.00 FUEL INDICATION). RANG OUT INTERNAL WIRING OF NR 2 AFT PUMP RANG BAD WDM 28 23 11. REMOVED AND REPLACED NR 2 AFT BOOST PUMP IMPELLER OP. LEAK CHECK GOOD REF AMM 28 22 41 400 801 AND 28 22 41 710 801.