Service difficulty report · Skin · Boeing 777FS2

Difficulty date
July 3, 2025
Submitted
July 3, 2025
Operation
Air carrier
Aircraft
N851FD
Make and model
Boeing 777FS2
Aircraft serial
37722
Aircraft time
61,339 hours, 9,782 cycles
Part
Skin
Part number
112W3101501
Condition
Cracked
Location
Zone 500
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 PERFORM UT & OPEN HOLE HFEC INSPECTION OF THE LEFT UPPER WING SKIN COMMON TO FASTENERS 0-5 AND FOUND 02EA CRCAK AT HOLE #5. LEFT WING UPPER SKIN #5 HOLE 02EA CRACKS REPAIRED AS PER B777 SRM 51-40-05-0G, SRM 51-40-04-0G, SRM 51-40-02-0G REV47.6 AND EA G-5730-T0383970 P1, TITLE: WING - PLATES AND SKINS - LH WING UPPER SKIN CRACK REPAIR IN RIB BAY 10 TRAILING EDGE #5 HOLE*THIS EA DEVIATES FROM EO G-5710-E0376285. REFER TO WRI: 57306927 FOR WORK DETAILS. THIS IS A MAJOR REPAIR PER GMM 6-2-100.

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