SDR SWAA2026033172071

Service difficulty report · Strap · Boeing 7378H4

Difficulty date: February 18, 2026
Submitted: March 31, 2026
Operation: Air carrier
Aircraft: N8633A
Make and model: Boeing 7378H4
Aircraft serial: 36905
Aircraft time: 39,325 hours, 19,232 cycles
System (JASC): 5740 · Wing, Attach Fittings
Part: Strap
Condition: Corroded
Location: Zone 600
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

CORROSION ON OUTER RT WING LEADING EDGE LOWER ATTACH STRAP, OSS 60.69. REPAIRED THE RT WING OTBD FIXED LEADING EDGE ATTACH STRAP OTBD IAW EA 26-157-00485, SRM 51-40-02; DWG 112A4401, SHEET 55, & SHEET 56, REV A, DWG 112A4402, SHEET 40, REV A, & DWG 116A5300, SHEET 22, REV.

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