SDR CALA2025122412413

Service difficulty report · Intercostal · Boeing 757224

Difficulty date: December 22, 2025
Submitted: December 24, 2025
Operation: Air carrier
Aircraft: N29129
Make and model: Boeing 757224
Aircraft serial: 28969
Aircraft time: 98,758 hours, 21,903 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 284171038154
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

E & E BAY, ADJACENT TO CUTOUT DOOR 119BL, RT SIDE, SHIELD PANEL HAS GOUGE. FABRICATED PART IAW PL284N1038. REMOVED, FABRICATED, AND INSTALLED THE TWO PARTS INTERCOSTAL & STIFFNER LOCATED & DRILLED IAW SRM 51-40-05, TREATED, PRIMED IAW SRM 51-20-01 AND INSTALLED IAW SRM 51-40-02.