SDR FDEA202601140029

Service difficulty report · Skin · Boeing 777F

Difficulty date: January 14, 2026
Submitted: January 14, 2026
Operation: Air carrier
Aircraft: N877FD
Make and model: Boeing 777F
Aircraft serial: 40683
Aircraft time: 30,348 hours, 5,108 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: 112W3101501
Condition: Cracked
Location: Zone 500
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 PERFORM WORK CARD:EG-5710-E0376285E P11 STEP 3.B.& STEP 5.A.(2) THEN FOUND TWO CRACKS ON THE LT UPPER WING SKIN FASTENER 5. REPAIRED IAW SRM 51-40-05-0G FIGURE 4 TABLE C, SRM 51-40-02-0G FIGURE 12, SRM 51-40-04-0G FIGURE 2 TABLE A, REV 51.0 AND EA G-5730-T0386112 REV A P1, MAJOR REPAIR PER GMM 6-2-100.

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