Service difficulty report · Hmu · Boeing 7378H4

Difficulty date
April 21, 2022
Submitted
April 25, 2022
Operation
Air carrier
Aircraft
N8633A
Make and model
Boeing 7378H4
Aircraft serial
36905
Aircraft time
26,924 hours, 12,405 cycles
Engine
Cfmint CFM567B27E
Part
Hmu
Condition
Lack Of Lube
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

ON T/O ROLL; #2 N1 LAGGED #1 BY 3%. ENGINE WOULD NOT RESPOND TO THROTTLE INPUTS / [01] R/R HMU & FUEL PUMP ON #2 ENG. IAW MT 773-21-10; OPS LK CKS OK;[02] R/R HMU & FUEL PUMP ON #2 ENG IAW MT 773-21-10 ; OPS LK CKS OK

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