Service difficulty report · Structure · Boeing 777FS2

Difficulty date
October 15, 2020
Submitted
October 30, 2020
Operation
Air carrier
Aircraft
N857FD
Make and model
Boeing 777FS2
Aircraft serial
37728
Aircraft time
40,257 hours, 6,337 cycles
Part
Structure
Part number
111W220251
Condition
Cracked
Location
Bs 1035
Stage of operation
IN
How discovered
E
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 HIGH FREQUENCY EDDY CURRENT OPEN HOLE INSPECTION CARRIED OUT ON REMOVED FASTENER HOLES ON LEFT HAND SIDE VERTICAL FLANGE OF THE SPAR CHORD AT UNDERWING LONGERON LOWER WING BODY STATION 1035 APPROXIMATELY LEFT HAND BUTTLINE 82 AND FOUND 01 EACH LOWEST OUTBOARD HOLE WITH CRACK INDICATION. WING CENTER SECTION LEFT HAND SIDE VERTICAL FLANGE OF FRONT SPAR LOWER CHORD AT UNDERWING LONGERON LOWER WING AT BODY STATION 1035 APPROXIMATELY LEFT HAND BUTTLINE 82, 01 EACH LOWEST OUTBOARD HOLE CRACKED REPAIRED, AS PER EA G-5710-T0357440 P1. TITLE: FUSELAGE MAINFRAME DEVIATIONS TO SB-777 53-0087 AND SRM 57-10-10 REPAIR 1 OVERSIZED HOLES ON WING CENTER SECTION FRONT SPAR LOWER CHORD. THIS EA DEVIATES FROM EO G-5310-E0332629 H. REPAIR CLASSIFIED AS MAJOR, PER GMM 6-2-100. (SNRM N00554, N00555 AND N00526 AND WRI: 57-10/0255 FOR ADDITIONAL DETAILS).

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