Service difficulty report · Starter · Boeing 777224

Difficulty date
September 4, 2025
Submitted
September 8, 2025
Operation
Air carrier
Aircraft
N78009
Make and model
Boeing 777224
Aircraft serial
29479
Aircraft time
124,235 hours, 12,734 cycles
Part
Starter
Part number
350583012
Part serial
YG0053126C
Condition
Leaking
Location
Nr 1 Engine
Part time
104,708 hours, 10,859 cycles
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

OIL QTY LOW ENG 1. DROP TO ZERO IN FLT. LOSS OF 1 QT EVERY 20-25 MINS. REPLACED STARTER REF AMM 80-11-01. ACCOMPLISHED 10 MIN IDLE RUN NO EXTERNAL LEAKS NOTED.