SDR SWAA2025111924967

Service difficulty report · Slat Track · Boeing 7377H4

Difficulty date: October 16, 2025
Submitted: November 19, 2025
Operation: Air carrier
Aircraft: N910WN
Make and model: Boeing 7377H4
Aircraft serial: 36618
Aircraft time: 57,170 hours, 34,464 cycles
System (JASC): 5754 · Leading Edge Devices
Part: Slat Track
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 SLAT 3 INBD AUXILIARY TRACK I/B ANGLE AT LT WING. REPLACED SLAT 3 INBD AUXILIARY TRACK INBD ANGLE AT LT WING IAW SRM 51-10-02-0G-0, ITEM 9, SRM 51-40-02-0G-0, AND DWG 114A5030, SHEET 8, REV C. MEASUREMENT OF CRACK IS L: 1.719 INCHES.

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