Service difficulty report · Engine · Boeing 777300ER

Difficulty date
March 14, 2025
Submitted
March 14, 2025
Operation
Air carrier
Aircraft
N2534U
Make and model
Boeing 777300ER
Aircraft serial
62645
Aircraft time
33,980 hours, 3,755 cycles
Engine
Ge GE90115B
Part
Engine
Condition
Oil Consumption
Location
Nr 2
Stage of operation
NR
How discovered
O
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 901206 HAS EXPERIENCED AN INCREASE IN OIL CONSUMPTION. A CCOMPLISH A SNIFF CHECK OF THE OIL FOR FUEL SMELL IN THE OIL SYS TEM, REF. AMM 12-13-01-130-803-002 STEP F.(1). ACCOMPLISH FIM 71 -05 TASK 805 STEPS D.(1) TO D.(4) TO TROUBLESHOOT FOR HOC. ALSO PLEASE PERFORM TEST NO. 6 - PART-POWER LEAK CHECK WITH ALL THE D RAIN LINES BAGGED TO SEE IF ANY OF THE CARBON SEALS ON THE AGB A RE LEAKING. STAY AT 70% N1 FOR 10 MINUTES BEFORE REDUCING BACK D OWN TO IDLE. IF THE GEARBOX SEALS ARE LEAKING, CAP THE ASSOCIATE D DRAIN LINES AND DIP FOR 25 CYCLES PER AMM 71-71-00-700-801-H01 . REPORT ANY FINDINGS OR ACTIONS WITHIN THIS LOG PAGE. ESCPP@UNI TED.COM CARRIED BY ELB T/S PER FIM TASK 71-05-T805, NO FUEL SMELL NOTICED IN OIL SYSTEM, PERFORMED STEPS D1-D4 AS REQUESTED WITH NO EXTERNAL LEAKS NOTED. RAN #2 ENGINE AT 70% N1 FOR 10 MINS AND FOUND BUG/AGB SEAL PAD DRAIN LINE LEAKING OIL MEASURING 1.5CC'S IN TOTAL. NO OTHER DRAIN LINES WERE LEAKING. REF L/P 4157450 FOR CORRECTIVE ACTION. REF EGC CALL OUT L/P 4149661, DURING T/S OF HOC ON #2 ENGINE PERFIM TASK 71-05-T805, FOUND BUG/AGB SEAL PAD DRAIN LINE LEAKINGOIL AT APPROXIMATELY 1.5 CC'S/10 MIN DURING ENGINE RUN AT 70% N1 (AS REQUESTED)

More about the Boeing 777-300ER