Service difficulty report · Motor · Boeing 7378H4

Difficulty date
March 13, 2021
Submitted
March 17, 2021
Operation
Air carrier
Aircraft
N8311Q
Make and model
Boeing 7378H4
Aircraft serial
38808
Aircraft time
29,321 hours, 13,179 cycles
Part
Motor
Part number
609891005
Part serial
128990744
Condition
Faulted
Location
Rt Boost Pump
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

RIGHT HAND CENTER BOOST PUMP INOP/WEAKRIGHT SIDE IMBALANCE BY TIME CENTER DEPLETED WAS ABOUT 950 POUNDS ( RIGHT CENTER TANK FUEL BOOST PUMPS ) / REF DMA 0309754R&R RH CENTER BOOST PUMP IMPELLER MOTOR PER MM 28-22-41. OPS CHECK GOOD. ISSUE #3256099 EV #E004990 CL #85756PN OFF/ON 60-989100-5 SN OFF 128990744 SN ON 051251215

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