Service difficulty report · Turbine Blades · Boeing 757222

Difficulty date
November 9, 2002
Submitted
February 4, 2003
Operation
Air carrier
Aircraft
N516UA
Make and model
Boeing 757222
Aircraft serial
24860
Aircraft time
41,389 hours, 15,602 cycles
Engine
Pwa PW2037
Engine time
12,351 hours, 7,491 cycles
Part
Turbine Blades
Part number
1B6322002
Part serial
DKLBAM2594
Condition
Failed
Location
Nr 1 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

NR 1 ENGINE COMPRESSOR STALL AT FL200, ENGINE SELF RECOVERED. 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.