Service difficulty report · Feeder Cable · Boeing 777222

Difficulty date
September 2, 2023
Submitted
December 12, 2023
Operation
Air carrier
Aircraft
N778UA
Make and model
Boeing 777222
Aircraft serial
26940
Aircraft time
99,723 hours, 17,786 cycles
Part
Feeder Cable
Part number
UNKNOWN
Part serial
NA
Condition
Broken
Location
Idg, Eng #2
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

ENG GEN R TRIPPED/RESET TRIPPED/REMAINED OFF INOPERATIVE STICKER ADJACENT TO THE ASSOCIATED GEN CTRL SWITCH ON THE OVERHEAD ELECTRICAL PANEL APPLIED PER MEL. PERFORMED R ENG GENERATOR DISCONNECT PROCEDURE PER MEL 2411A SECTION B NOTE - R ENG UPPER TERMINAL BLOCK COVER REQUIRES INSTALLATION PER WDM 24-11-21-1, BLUE SHIELDED WIRE LABELED WDM 24-21-21-1 AND BOTH WIRES LABELED W8200-0003-02, CAPPED & STOWED PER SWPM 20-10-11 PG.119. TERMINAL BLOCK CAP IS STOWED IN THE FLIGHT DECK. INOPERATIVE STICKER ADJACENT TO THE ASSOCIATED GEN CTRL SWITCH ON THE OVERHEAD ELECTRICAL PANEL APPLIED PER MEL. C/W PER MEL 2411A. CAPPED AND STOWED FEEDER CABLES PER THE GMM 05-30-05 SECTION O. INSPECTED WIRING FOR SLACK, OPENED PANELS 442AL & 442BL TO VIEW EXTENDING PORTION OF RETERMINATED NEW LUG PER SWPM20-30-11, INSTALLED HEAT SHRINK ON BLUE CABLES. HARNESS ROUTING. FOUND AN OPENING ON UPPER UPPER FWD PF PYLON FROM 441CL & 441DL PANELS DURING REMOVAL. INSPECTED WIRE HARNESS AND FOUND IT TO BE RIGID WITH NO SLACK TO ACCOMIDATE FOR TERMINATION OF WIRE AT TERMINAL BLOCK. CLOSED PYLON PANELS AND J-BOX COVER. CONNECTED IDG INPUT SHAFT. NO.2 ENGINE IDG OPS CHECK NORMAL REF AMM 24-11-01. ORIGINAL SUBMISSION DATE: 9/5/2023.