Service difficulty report · Turbine Blades · Boeing 757222

Difficulty date
October 11, 2002
Submitted
February 4, 2003
Operation
Air carrier
Aircraft
N529UA
Make and model
Boeing 757222
Aircraft serial
25019
Aircraft time
39,948 hours, 14,742 cycles
Engine
Pwa PW2037
Engine time
12,351 hours, 7,491 cycles
Part
Turbine Blades
Part number
1B6322002
Part serial
DKLBAM2594
Condition
Failed
Location
Lt Engine
Part time
29,887 hours
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

WHILE CLIMBING THROUGH 14000 FT LEFT ENGINE EXPERIENCED A COMPRESSOR STALL. ENGINE SELF RECOVERED AND CLIMB CONTINUED TO FL260. EGT REDLINED, THROTTLE RETARDED TO IDLE. ENGINE WAS REMOVED FOR METAL IN THE TAILPIPE, IT HAD A NORMAL ECM TREND PLOT. AT ENGINE TEARDOWN, A STAGE 2 TURBINE BLADE FAILURE WAS FOUND TO BE THE CAUSE.