Service difficulty report · Pump · Boeing 7377H4

Difficulty date
March 13, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N467WN
Make and model
Boeing 7377H4
Aircraft serial
33830
Aircraft time
57,548 hours, 34,073 cycles
Part
Pump
Part number
609891004
Part serial
030405816
Condition
Faulty
Location
Lt Fuel Boost
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT MAIN FUEL PUMPS OVER POWERING LEFT CENTER PUMP. IN CRUISE WITH FUEL IN CENTER TANK FUEL BURNED FROM LEFT MAIN TANK / CLEARED ON DMA 0514430 R&R LEFT CENTER TANK FUEL BOOST PUMP; LEAK & OPS CHECK GOOD IAW AMM 28-22-41. AILERON PCU POGO INSTALLED PER AMM 27-11-71. REF NRWC D167079 CL # 71852 P/N OFF 60-989100-4 P/N ON 60-989100-5 S/N OFF 030405816T S/N ON 010003251

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