Service difficulty report · Engine · Boeing 7377H4

Difficulty date
June 1, 2026
Submitted
June 3, 2026
Operation
Air carrier
Aircraft
N453WN
Make and model
Boeing 7377H4
Aircraft serial
29847
Aircraft time
71,192 hours, 42,466 cycles
Engine
Cfmint CFM567B242
Part
Engine
Condition
Faulted
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
R, Y
Precautionary procedure
O

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

What was found

ON NR 2 ENGINE START AFTER LIGHT OFF, FUEL FLOW WENT TO ZERO AND ENGINE ROLLED BACK. PERFORMED CHECK OF OPERATION OF ENG 2 SPAR VALVE REF AMM 28-22-00. SPAR VALVE OPS NORMAL. CREW PERFORMED ENGINE START WITH ALL INDICATIONS NORMAL AND NORMAL START. EEC BITE SHOWS NO FAULTS REF FIM 73-00 TASK 801.

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