SDR SWAA2026070611071

Service difficulty report · Strap · Boeing 7377H4

Difficulty date: June 10, 2026
Submitted: July 6, 2026
Operation: Air carrier
Aircraft: N480WN
Make and model: Boeing 7377H4
Aircraft serial: 33998
Aircraft time: 72,332 hours, 43,302 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Strap
Condition: Cracked
Location: Zone 100
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 IN OPEN FASTENER HOLE AFT AT STUB BEAM STRAPS, BS 639, RBL 45.57. CRACK DIRECTION 3 OCLOCK LOOKING FWD FROM INBD FACE. REPLACED THE STRAPS (2EA) IAW SRM 51-10-02, ITEM 9, DWG 112A3301, SHEET 16, REV -, DWG 144A1705, SHEET 8, REV-.

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