Service difficulty report · Compressor Blade · Boeing 737522

Difficulty date
February 24, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N903UA
Make and model
Boeing 737522
Aircraft serial
25003
Engine
Ge CFM56*
Part
Compressor Blade
Part number
13985M33G03
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CL
Nature of condition
A
Precautionary procedure
A

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

What was found

AFTER TAKEOFF, NR 1 ENGINE SURGED AND PASSENGERS REPORTED FLAMES COMING FROM TAILPIPE. EGT WAS 900 DEGREES. ENGINE SHUT DOWN AND AIRCRAFT RETURNED TO FIELD. SHUTDOWN CAUSED BY COMPRESSOR STALL DUE TO COMPRESSOR BLADE FAILURE. BLADE FAILURE WAS CAUSED BY AN OUT OF SCHEDULE VARIABLE STATOR VANE-LEVER ARM WAS DISENGAGED FROM THE ACTUATING RING. REPLACED ENGINE. OPS CHECK GOOD.