SDR SWAA2025112028191

Service difficulty report · Angle · Boeing 7378H4

Difficulty date: October 24, 2025
Submitted: November 20, 2025
Operation: Air carrier
Aircraft: N8623F
Make and model: Boeing 7378H4
Aircraft serial: 36731
Aircraft time: 39,409 hours, 19,063 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
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 GUSSET ANGLE, BS 500I, STRINGER 21L. REPLACED THE GUSSET ANGLE AND FASTENERS IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, & DWG 143A7902, SHEET 256, REV B. REJECTED REPLACEMENT DUE TO BAD AND WRONG SEALANT APPLICATION AROUND GUSSET, APPLIED SEALANT ON GUSSET ANGLE IAW SRM 51-20-05-0G-0.

More about the Boeing 737-8H4