Service difficulty report · Compressor · Boeing 757222

Difficulty date
February 10, 2010
Submitted
February 15, 2010
Operation
Air carrier
Aircraft
N516UA
Make and model
Boeing 757222
Aircraft serial
24860
Aircraft time
64,024 hours, 23,968 cycles
Engine
Pwa PW2037
Part
Compressor
Condition
Stalled
Location
Rt Engine
Stage of operation
TO
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

CREW REPORTS RT ENG HAD A COMPRESSOR STALL AT 130KTS DURING TAKEOFF. (ONE BANG). PARAMETERS DECREASED SLIGHTLY THEN RETURNED TO NORMAL. NO EXCEEDANCES OCCURED, ENGINE IS OPERATING NORMALLY. CREW ALSO STATES THEY HAD A 30 DEGREE CROSSWIND AND LIGHT SNOW AT THE TIME. AC DEICED TYPE 4, RUNWAY CLUTTERED LEVEL 1, STATIC RUNUP ON TAKE OFF NORMAL. TROUBLE SHOT COMPRESSOR STALL. ACCOMPLISHED FIM TASK WITH NO DEFECTS NOTED, REPLACED MAIN ENG OIL FILTER, CHECKED CHIP DETECTOR AND EPCS PG WITH NO DEFECTS NOTED. FAILED BORO INSP OF 6TH STG. MANY BLADES WITH NICKS, TEARS, CRACKS AND MISSING MAT'L IN AREA C OF L/E AND T/E. MANY BLADES WITH CRACKS. ENGINE WAS REMOVED SHORTLY AFTER INCIDENT.