SDR SWAA2025102114315

Service difficulty report · Nut Plate · Boeing 7378H4

Difficulty date: September 13, 2025
Submitted: October 21, 2025
Operation: Air carrier
Aircraft: N8619F
Make and model: Boeing 7378H4
Aircraft serial: 33939
Aircraft time: 40,353 hours, 19,330 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Nut Plate
Condition: Corroded
Location: Zone 600
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

CORROSION ON RAIL NUT PLATE LOCATED OFSS449 INTERNAL CAVITY LEADING EDGE AT RT WING. REPLACED RAIL NUT PLATE LOCATED OFSS449 INTERNAL CAVITY LEADING EDGE AT RT WING IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, AND DWG 112A4402 SHEET 40, REV A.

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