Service difficulty report · Compressor · Boeing 757222

Difficulty date
December 23, 2011
Submitted
January 26, 2012
Operation
Air carrier
Aircraft
N577UA
Make and model
Boeing 757222
Aircraft serial
26693
Aircraft time
61,959 hours, 21,885 cycles
Engine
Pwa PW2037
Engine time
66,878 hours, 24,126 cycles
Part
Compressor
Condition
Stalled
Location
Rt Engine
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

RT ENG COMPRESSOR STALL, RTFL. RIGHT ENGINE HAD COMPRESSOR STALL DURING T-O CLIMB AND LANDING (REVERSE) SAMC TEXT: ESN 726514. CHECK PER FIM. SEAMM REPORTS DURING HPC BORESCOPE EXTENSIVE DAMAGE TO HPC-6 (1EA. HALF THE BLADE MISSING AND DAMAGE TO SUBSEQUENT STAGES ALL THE WAY TO HPC-17 HAVE INPACT DAMAGE). RPL'D ENG 726514 WITH ENG 717981. NR 2 ENG NOSE COWL AFT MATING SURFACE AT THE 6 O'CLOCK POS HAS HONEYCOMB DAMAGE. IT IS CRACKED IN SEVERAL PLACES AND PARTS ARE BROKEN FREE. RPL'D PER MM.