Service difficulty report · Fitting · Boeing 777FHT

Difficulty date
May 7, 2021
Submitted
May 25, 2021
Operation
Air carrier
Aircraft
N883FD
Make and model
Boeing 777FHT
Aircraft serial
39285
Aircraft time
41,371 hours, 6,506 cycles
Part
Fitting
Part number
140W9255Y408
Condition
Damaged
Location
Zone 100
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING PERFORMING EO EG-5310-EO332629K P6 STEP 13.H, 11 EA YYT-10 FASTENER HOLES WERE 1ST OVERSIDED AT STA 993-1003 STGR35RH-36RH, 3EA YLK-16 FASTENER HOLES WERE OVERSIZED TO 0.562" AT STA1024 STGR36RH-37RH. REPAIR CARRIED OUT TO 11EA YYT-10 FASTENER HOLES WERE 1ST TO 0.362" AT STA993-1003 STGR35RH-36RH AND 03 EA YLK-16 FASTENER HOLES WERE OVERSIZED TO 0.562" AT STA1024 STGR36RH-37RH, AS OER EA: G-5310-T0361432 PART2 STEP3,4,5, TITLE: FUSELAGE- MAINFRAME- LH AND RH UNDERWING LONGERON MODIFICATION PER EO G-5310-EO332629-DEVIATION TO SB 777-53-0087 REV.1. REPAIR CLASSIFIED AS MAJOR PER GMM6-2-100

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