Service difficulty report · Compressor · Boeing 777224

Difficulty date
June 21, 2026
Submitted
July 2, 2026
Operation
Air carrier
Aircraft
N78009
Make and model
Boeing 777224
Aircraft serial
29479
Aircraft time
127,737 hours, 13,096 cycles
Engine
Ge GE9090B
Part
Compressor
Condition
Stalled
Location
Rt Engine
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

RIGHT ENG COMPRESSOR STALL AND EGT EXCEEDANCE AT V1 REVIEWED AHM DATA, FOUND EGT DATA PEAKED AT 138.5 FOR 6 SECS. REF AMM 71-00-00-200-814-G00 7.C.(2)(B) TAKEOFF AND MAX CONTINUOUS EGT FIG 603, 1038.5 FOR 6 SECS PUTS US IN AREA B AND DOES NOT REQ IMMEDIATE ENGINE CHANGE. AREA B REQ'S A BSI OF THE HPT. ALSO, REVIEWED AHM DATA FOR PREVIOUS EXCEEDANCES, NONE NOTED.