Service difficulty report · Engine · Boeing 737990ER

Difficulty date
August 8, 2024
Submitted
August 9, 2024
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
38,436 hours, 12,110 cycles
Engine
Ge CFM567B24
Engine time
38,436 hours, 12,110 cycles
Part
Engine
Condition
Failed
Location
Right
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

DURING CRUISE AT FL350 #2 ENGINE SURGE WITH HIGH FUEL FLOW AND OVERTEMP, ACCOMPLISHED ENGINE LIMIT/SURGE/STALL CHECKLIST, ENGINE STABILIZED AT 64* N1 IN ACCORDANCE WITH CHECKLIST ADVANCE POWER LEVER SLOWLY HAD ENGINE VIBRATION (SLIGHT 1.2) REDUCED THRUST, FUEL FLOW SPIKED AND ENGINE FAIL ANNUNCIATION - PERFORMED ENGINE FAILURE AND SHUTDOWN CHECKLIST. GROUNDED - YES. DIVERSION - ACCOMPLISHED AMM TASK 31-31-22-000-801. PULLED FLIGHT DAT REC CB'S C9+C10. REMOVED DFDAU MEMORY CARD AND SHIPPED TO SEA. INSTALLED NEW PCMCIA ON DFDAU REF AMM 31-31-22 FLT DATA REC C/B C9 +C10 CLOSED. ACCOMPLISHED TSR716364. REMOVED AND REPLACED #2 ENGINE REF T/C #78471000 AND T/C #78471001.