Service difficulty report · Unknown · Boeing 7379

Difficulty date
June 24, 2023
Submitted
July 1, 2023
Operation
Air carrier
Aircraft
N978AK
Make and model
Boeing 7379
Aircraft serial
43348
Aircraft time
3,712 hours, 1,082 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
NR
How discovered
O
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

GE DIAGNOSTICS REPORTS #2 ENGINE TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (FULL SET FUEL NOZZLE REPLACEMENT) NO EXTENSION ALLOWED (150 CYCLES). GROUNDED - YES. ON DEFERRAL.

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