Service difficulty report · Idg · Boeing 777224

Difficulty date
January 29, 2024
Submitted
February 1, 2024
Operation
Air carrier
Aircraft
N78005
Make and model
Boeing 777224
Aircraft serial
27581
Aircraft time
114,891 hours, 11,776 cycles
Part
Idg
Part number
764939A
Part serial
0200
Condition
Making Metal
Location
Nr 2 Generator
Part time
721,983 hours, 702,733 cycles
Stage of operation
CL
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

ELEC GEN SYS R EICAS STATUS IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTR OL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCU RRED. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 2431592 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: GENERATOR CONTROL UNIT (R) IDG FILTER HAS METAL. REMOVED #2 ENG IDG REF24-11-01-000-801-001. ENGINE SHOP TO REPLACE GARLOCK SEAL. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1586658 SN OFF 0200 REMOVED AND REPLACED NO.2 ENG IDG SEALOL ASSY UP TO AND INCLUDING STEPS 3A-H4A-4Q REF AMM72-64-01-420-801-G00 GENERATOR, IDG OFF 25-2411-9-0002 0200 ON 0000 GENERATOR, IDG OFF 25-2411-9-0002 0200 ON 25-2411-9-0002 0227 VERIFIED INSTALLATION OF #2 ENGINE IDG FEEDER CABLES IAW AMM 24-11-01-400-801-G00 AND GMM 09-10-05 INSTALLED IDG ON #2 ENG PER AMM INTEGRATED DRIVE GENERATOR - INSTALLATION REFERENCE: TASK 24-11-01-400-801-001.OPS AND LEAK CHECK GOOD. NO EICAS FALT MSG FOUND.