Service difficulty report · Idg · Boeing 777300ER

Difficulty date
September 30, 2024
Submitted
October 3, 2024
Operation
Air carrier
Aircraft
N2251U
Make and model
Boeing 777300ER
Aircraft serial
66591
Aircraft time
20,008 hours, 2,402 cycles
Part
Idg
Part number
1701768
Part serial
3053
Condition
Faulted
Location
Nr 2 Engine
Part time
19,998 hours, 2,401 cycles
Stage of operation
CR
How discovered
O
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

OIL QTY DROPPED TO 1 ENROUTE FOUND OIL LEAK FROMRH BUG CASE DRAIN AND RH BUG AGB PAD DRAIN LINE. REPLACED RH BUG AND ACCESAAORY GEARBOX SEALOL FACE SEAL AND PERFORMED HI POWER ENG RUN. NO LEAK FOUND. REF AMM 24-25-01 ,72-64-01.PARTS USED: 78-7921-3-0027,QTY :1 25-7264-3-0044,QTY :1 00-0586-3-1068,QTY :1 25-2411-3-0012,QTY :1 40-0602-3-0116,QTY :1 40-0596-3-4503,QTY :1 25-7264-3-0006,QTY :1 23-7264-3-0007,QTY :1 25-2425-9-0007,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1553406 SN OFF 3053 GENERATOR, BACK OFF 25-2425-9-0007 3053 ON 25-2425-9-0007 0445

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