Service difficulty report · Bearing · Boeing 737522

Difficulty date
July 31, 2008
Submitted
August 5, 2008
Operation
Air carrier
Aircraft
N935UA
Make and model
Boeing 737522
Aircraft serial
26663
Aircraft time
45,213 hours, 28,423 cycles
Engine
Cfmint CFM563C1
Engine time
49,594 hours, 32,375 cycles
Part
Bearing
Part number
3053553220
Part serial
RR12084
Condition
Failed
Location
Nr 1 Compressor
Stage of operation
CL
How discovered
O
Nature of condition
J
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. RTFL. FOUND FAILURE OF NR 4 BEARING. CHANGED ENGINES.