Service difficulty report · Gasket · Boeing 7377H4

Difficulty date
January 21, 2023
Submitted
January 23, 2023
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
62,736 hours, 37,153 cycles
Engine
Cfmint CFM567B242
Part
Gasket
Condition
Leaking
Location
Hmu
Stage of operation
CL
How discovered
O
Nature of condition
K, R
Precautionary procedure
E

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

What was found

AT LEVEL OFF AFTER INITIAL CLIMB TO 5000 MSL A/T & A/P ENGAGED, NR 1 ENGIINE FUEL FLOW WENT TO ZERO & NO 1 ENGINE FAILED . NO 2 ENGINE HAD NO ABNORMAL INDICATION; NO 1 ENGINE N1 WAS AT 19% AND NO OTHER ABNORMAL INDICATION. RAN ENGINE FAILURE OR SHUT DOWN IN QRH NO RESTART ATTEMPTED.<[01] FOUND FUEL TUBE (33 TO HMU GASKET LEAKING.R + R GASKET (34) AT HMU. REF AMM 73-21-10. LEAK CHECK GOOD

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