Service difficulty report · Starter Gen · Boeing 777223

Difficulty date
July 31, 2024
Submitted
August 8, 2024
Operation
Air carrier
Aircraft
N768AA
Make and model
Boeing 777223
Aircraft serial
33540
Aircraft time
67,868 hours, 8,406 cycles
Part
Starter Gen
Part number
27045501
Part serial
910
Condition
Faulty
Location
Zone 500
Part time
42,942 hours, 5,776 cycles
Stage of operation
CR
How discovered
V
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

AIRCRAFT WAS GROUNDED: EICAS MESSAGE ENG FUEL FILTER L. FOLLOWED BY STATUS MESSAGES: EN,G SCAV OIL FILT L, ENG HP OIL FILT L, ENG FUEL FILT L, ENG OPU L,, ENG TURB OVSP SYS L, ENG EEC C1 L. CREW DECIDED TO DIVERT TO JFK. MAINTENANCE REPLACED EEC AND DEDICATED ALTERNATOR PER MM 73-21-11 AND MM 73-21-14. PERFORMED ENG RUN UP USING BOTH CHANNELS, ALL ENG PARAMETERS NORMAL WITH NO FAULTS. REF. 71-00-00.