Service difficulty report · Engine · Boeing 737524

Difficulty date
November 17, 2011
Submitted
November 17, 2011
Operation
Air carrier
Aircraft
N59630
Make and model
Boeing 737524
Aircraft serial
27534
Aircraft time
43,848 hours, 22,910 cycles
Engine
Cfmint CFM563C1
Part
Engine
Part number
CFM563B1
Part serial
856918
Condition
Failed
Location
Nr 1
Part time
40,579 hours, 21,510 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

SUDDEN NR 1 ENG FAILURE AT FL 360. NR 1 ENG PARAMETERS DURING DESCENT: N1-18% N2-0 EGT DECREASING REPLACED NR 1 ENG PER W/C 03-7100-1-9400 AND PERFORMED ENG RUN TEST 9 W/C 03-7100-1-8902 OPS LEAKED CHECKED NORMAL ROTABLE PARTS CHANGE WAS INDICATED - TT # 0809921 S/N OFF 06918 ENGINE, BASIC, OFF 03-7200-9-0001 6918 ON 03-7200-9-0001 0239.