Service difficulty report · Seal · Boeing 777*

Difficulty date
May 26, 2024
Submitted
June 24, 2024
Operation
General aviation
Make and model
Boeing 777*
Engine
Ge GE90115B
Engine time
34,253 hours, 3,959 cycles
Part
Seal
Part number
2517M71P01
Part serial
NCE486KM
Condition
Cracked
Location
Engine
Part time
34,253 hours, 3,959 cycles
Stage of operation
IN
How discovered
D
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

INCOMING CONDITION HIGHLIGHTED DURING THE INSPECTION PROCESS. THE HPTR FORWARD SEAL HAS BEEN REMOVED FROM SERVICE EARLY DUE TO RADIAL CRACKS AT 2 LOCATIONS ON THE OD SEAL SERRATION V3. KNOWN CONDITION. DR #01985853 WAS NOT APPROVED. FIRST TIME EXPOSURE OF THIS AREA FROM NEW MAKE. SERVICE RUN CONDITION, NOT A GE WALES INDUCED CONDITION. TO BE REPORTED IN LINE WITH MANDATORY REPORTING REQUIREMENT 145 AMC 20-8A 9.3.(J) ANY DEFECT IN A LIFE-CONTROLLED CRITICAL PART THAT CAUSES ITS RETIREMENT BEFORE THE COMPLETION OF ITS FULL SERVICE LIFE.