Service difficulty report · Engine · Boeing 777224

Difficulty date
November 10, 2024
Submitted
November 13, 2024
Operation
Air carrier
Aircraft
N77012
Make and model
Boeing 777224
Aircraft serial
29860
Aircraft time
116,253 hours, 11,790 cycles
Engine
Ge GE9090B
Part
Engine
Condition
Oil Consumption
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

E2 ESN 900229 HAS EXPERIENCED AN INCREASE IN OIL CONSUMPTION. PLEASE ACCOMPLISH A SNIFF CHECK OF THE OIL FOR FUEL SMELL IN THE OIL SYSTEM, REF. AMM 12-13-01-200-003-002. ACCOMPLISH FIM 71-05 T ASK 805 STEPS D. (1) TO D. (3). ALSO PLEASE PERFORM TEST NO. 6 - PA RT-POWER LEAK CHECK WITH ALL THE DRAIN LINES BAGGED TO SEE IF AN Y OF THE CARBON SEALS ON THE AGB ARE LEAKING. STAY AT 70% N1 FOR 10 MINUTES BEFORE REDUCING BACK DOWN TO IDLE. IF THE GEARBOX SEALS ARE INDEED LEAKING, CAP THE ASSOCIATED DRAIN LINES AND DIP F OR 25 CYCLES PER AMM 71-71-00-700-802-G00. PLEASE REPORT ANY FI NDINGS OR ACTIONS W/IN THIS LOG PAGE. ESCPP@UNITED.COM, 847-700- 8324 OPT 4 CARRIED BY ELB OPEN AND BAGGED DRAIN LINES FROM BUG, IDG, EDP, EDP PAD, HMU AND MFP 6 TOTAL.