Service difficulty report · Engine · Boeing 737724

Difficulty date
January 24, 2025
Submitted
January 27, 2025
Operation
Air carrier
Aircraft
N27724
Make and model
Boeing 737724
Aircraft serial
28791
Aircraft time
79,586 hours, 29,037 cycles
Engine
Ge CFM567B24
Engine time
72,812 hours, 26,698 cycles
Part
Engine
Condition
Vibration
Location
Nr 2
Stage of operation
CL
How discovered
O
Nature of condition
E, B, Y
Precautionary procedure
A

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

What was found

AT 2000 FT ENG 2 SHOOK N ENG INSRT JUMPED AROUND. 20 SECS LTR EN G 2 SHOOK AGAIN W ENG FAIL UPON INSPECTION, NOTED A BURNT SMELL TOWARDS THE TAIL OF #2 ENGINE. FOUND N1 SPINNING NORMALLY WITH NO UNUSUAL RESISTANCE. TAIL EXHAUST SECTION SPUN NORMALLY HOWEVER NOTED METALLIC DEBRI IN EXHAUST SECTION. ADDITIONAL INFO FROM CREW DEBRIEF: AT 2000 FEET THEY GOT A STRONG VIBRATION WITH #2 ENGINE INDICATIONS FLASHING. EGT WAS HIGHER THAN ENG #1 BUT STILL WITHIN LIMIT. THERE WAS AN ADDITIONAL VIBRATION WITH ENGINE INDICATIONS FLASHING AGAIN AND ENGINE FAIL INDICATION DISPLAYED. AT THIS TIME, N2 WAS INDICATING ZERO. THE ENTIRE FLIGHT WAS 18 MINUTES. NO SMOKE AND NO FUMES WERE NOTED INSIDE AIRCRAFT. NO EXTERNAL DAMAGE OR LEAKS WERE REPORTED BY EMERGENCY SERVICES. NO EVIDENCE OF FOD OR DAMAGE ON N1 OR ENGINE INLET. TECHS COMPLETED E2 UNSCHEDULED REMOVAL/REPLACEMENT REF W/C 29-7100-1-0900/ 29-7100-1-4900. AIRCRAFT MX READY