SDR SWAA2026071744349

Service difficulty report · Rib · Boeing 7377H4

Difficulty date: June 18, 2026
Submitted: July 18, 2026
Operation: Air carrier
Aircraft: N930WN
Make and model: Boeing 7377H4
Aircraft serial: 36636
Aircraft time: 55,646 hours, 33,976 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
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

CRACKED RIB, LE STA 105.26 ACCESS PANEL 331B AT LT HORIZONTAL STAB. REPLACED RIB AND FASTENERS LOCATED LE STA 105.26 ACCESS PANEL 331B AT LT HORIZONTAL STAB IAW SRM 51-40-02, DWG 186A1304, SHEET 1, REV A AND DWG 186A1001, SHEET 19, REV-.

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