Service difficulty report · Engine · Boeing 78710

Difficulty date
September 2, 2025
Submitted
September 15, 2025
Operation
Air carrier
Aircraft
N12010
Make and model
Boeing 78710
Aircraft serial
40926
Aircraft time
24,872 hours, 3,283 cycles
Engine
Ge GENX1B70P2
Engine time
19,219 hours, 1,931 cycles
Part
Engine
Condition
Overtemp
Location
Nr 2
Stage of operation
AP
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

CAUTION RT ENGINE EXCEEDED AN OPERATING LIMIT (AMBER LIMIT FOR EGT OR RED LINE FOR EGT, N1 AND N2) & RT ENGINE IS RUNNING. DB EEC CHAN-B (RT ENG) DB EEC CHAN-A (RT ENG). ENG CONTROLLER & AHM SHOW S/N958671 ON INITIAL CLIMB EGT EXCEEDANCE WAS MAX EGT 1072 DEG C 16 SEC. MAINT MSG 73-31732 FOUND ON ARR. DID GVI IAW 787-A-G77-20-F1-40A-421A- A. FOUND EGT OVERTEMP INSP IAW AMM 787-A-G71-00-00 -37A-280A-A. FOUND IN AREA -A-. NO ENG INLET & EXHAUST FOR DAMAGE FOUND. NO ENG SURGE & STALL CONDITION FOUND IAW AHM & CMC MAINT MSG. ENG CONTINUE IN SVC IAW AMM. RT ENG EXCEEDANCE PAGE HAD BEEN ERASED AFTER INSPECTION, INLET & EXHAUST SECTION. DIP 71-DIP ENG2 PERFORMED BSI ON ENG, HPC 5TH STG ROTOR IAW AMM G72-00-00-06B-280C. FOUND MISSING MATERIALS ON THE BLADES & NICKS AND AXIAL CRACKS FOLLOWING THE NICKS ON T/E OF THE BLADE. RIGHT ENGINE REPLACED REF LOG PAGE 6274006 AND 6238178.

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