Service difficulty report · Compressor · Boeing 777*

Difficulty date
April 1, 2010
Submitted
April 30, 2010
Operation
General aviation
Make and model
Boeing 777*
Engine
Ge GE9085B
Part
Compressor
Part number
1844M90G02
Part serial
GWN03RTM
Condition
Damaged
Location
Engine
Part time
29,886 hours, 4,568 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

(QEMY) DURING INCOMING INSP OF THE SUBJECT HP COMPRESSOR, 8-10 SPOOL (IPC 72-31-00-01-590), 1-OFF INDICATION HAS BEEN IDENTIFIED ON THE RAISED EBN LAND SITUATED INTERNALLY BETWEEN THE STAGE 9 AND 10 DISKS. THE INDICATION HAS BEEN DETECTED DURING THE FLUORESCENT PENETRANT INSP AND HAS BEEN MEASURED AT APPROX 0-100 INCH IN LENGTH. THE OEM HAS BEEN INFORMED OF THE CONDITION (REFERENCE SR-7-1-2230226756.