SDR SWAA2026072789006

Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date: June 17, 2026
Submitted: July 28, 2026
Operation: Air carrier
Aircraft: N8647A
Make and model: Boeing 7378H4
Aircraft serial: 42528
Aircraft time: 39,657 hours, 19,343 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Attach Angle
Condition: Corroded
Location: Zone 200
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

CORROSION ON INTERCOSTAL UPPER ATTACH ANGLE BS 946, RBL 24, WL 208.1. THE CORROSION DAMAGE ON INTERCOSTAL UPPER ATTACH ANGLE FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMIT IN THE SRM AND IT IS REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02. REMOVED AND REPLACED INTERCOSTAL UPPER ATTACH ANGLE IAW SRM 51-40-02 AND DWG 147A5400, REV -.

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