SDR SWAA2025103019094

Service difficulty report · Nut Plate · Boeing 7377H4

Difficulty date: September 28, 2025
Submitted: October 30, 2025
Operation: Air carrier
Aircraft: N915WN
Make and model: Boeing 7377H4
Aircraft serial: 36888
Aircraft time: 57,361 hours, 34,753 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Nut Plate
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

CRACK ON RAIL NUT-PLATE LOCATED OFSS 484 INTERNAL CAVITY LEADING EDGE AT LT WING. REPLACED RAIL NUT-PLATE LOCATED OFSS 484 INTERNAL CAVITY LEADING EDGE AT LT WING IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 112A4402, SHEET 13, AND SHEET 14 REV-. MEASURE OF CRACK: L=0.410.

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