Service difficulty report · Pump · Boeing 7377H4

Difficulty date
May 8, 2022
Submitted
May 10, 2022
Operation
Air carrier
Aircraft
N204WN
Make and model
Boeing 7377H4
Aircraft serial
29855
Aircraft time
58,533 hours, 34,535 cycles
Engine
Cfmint CFM567B242
Part
Pump
Part number
8283005
Part serial
YA011793
Condition
Defective
Location
#2 Engine
Stage of operation
TO
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ENGINE #2 WOULD NOT ACHIEVE T/O THRUST. #1 WAS 92.9 WHILE #2 WAS 85 +- 0.3 WITH #2 THRUST LEVER FULL FORWARD. BURNED FUEL TO BELOW 10.1; LANDED AT 127.8 WT. / [01] PERFORMED THE VISUAL INSPECTION OF THE IMPELLER ROTATION IAW AMM 73-11-01-200-801-F00. FOUND THAT THE IMPELLER WAS NOT MOVING; SUSPECT FUEL PUMP DEFECTIVE.;[02] CW INSP;[03] CW INSP;[04] REMOVED AND REPLACED #2 ENGINE FUEL PUMP ASSEMBLY IAW 73-11-11 OPS CHECK /LEAK CHECK GOOD

More about the Boeing 737-7H4