SDR SWAA2026012756041

Service difficulty report · Skin · Boeing 7377H4

Difficulty date: December 28, 2025
Submitted: January 27, 2026
Operation: Air carrier
Aircraft: N926WN
Make and model: Boeing 7377H4
Aircraft serial: 36629
Aircraft time: 57,189 hours, 34,891 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Condition: Cracked
Location: Zone 300
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 INDICATION FOUND ON THE LT HORIZONTAL STAB LOWER SKIN PANEL, HSS 193.9, RIB & 16 INCHES FROM FRONT SPAR. INBD SIDE OF RIB. CRACK LENGTH: 0.900 INCH. REPAIRED THE LT HORIZONTAL STAB LOWER SKIN IAW EA 26-155-00083, AND EA 26-155-00083-WIP1.

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