Service difficulty report · Exhaust Cone · Boeing 777224

Difficulty date
May 17, 2026
Submitted
May 18, 2026
Operation
Air carrier
Aircraft
N78002
Make and model
Boeing 777224
Aircraft serial
27578
Aircraft time
124,332 hours, 13,037 cycles
Engine
Ge GE9090B
Engine time
101,757 hours, 10,429 cycles
Part
Exhaust Cone
Part number
2204M50G02
Part serial
5001
Condition
Damaged
Location
Nr 1 Eng
Part time
15,882 hours, 1,701 cycles
Stage of operation
IN
How discovered
V
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

UPON ARRIVAL, DURING WALKAROUND ON ENGINE #1 A DENT WAS FOUND IN THE TURBINE NOZZLE EXHAUST AT 6 O CLOCK POSITION. PICS ATTACHED 17 INCH LONG INNER CRACK, 0,02 INCH (0,05 MM) WIDTH. ITEM 5 TURBINE PRIMARY EXHAUST NOZZLE ENGINE #1 REPLACED IAW AMM 78-11-01-400-802-G00