Service difficulty report · Pump · Boeing 7673Y0

Difficulty date
May 14, 2019
Submitted
May 16, 2019
Operation
Air carrier
Aircraft
N1181A
Make and model
Boeing 7673Y0
Aircraft serial
26206
Aircraft time
85,367 hours, 21,129 cycles
Part
Pump
Part number
5006003D
Part serial
3003
Condition
Malfunctioned
Location
Fuel System
Stage of operation
CL
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

AFTER T/O AMBER ADVISORY MESSAGE, R FWD FUEL PUMP MESSAGE (CLEARED PASSING 7000). LP 1033533-3: AFTER T/O & AFTER RT FWD FUEL PUMP LOW PRESS, FUEL CONFIG WARNING, LEFT FUEL TANK INDICATED A 3000+ LB IMBALANCE. LP 1033534 - 3: 3000 LB IMBALANCE WITH L TANK SHOWING 9000 LB + RT TANK SHOWING 12.4, MADE LEFT TURN AND IMBALANCED DISAPPEARED AND FUEL CONFIG MSG CLEARED. (<P>REMOVED AND REPLACED RH FWD BOOST PUMP PER AMM 28-22-03. OPS CHECK GOOD AND LEAK CHECK GOOD.</P>)

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