SDR CALA2017112404200

Service difficulty report · Floor Support · Boeing 757224

Difficulty date: November 24, 2017
Submitted: November 25, 2017
Operation: Air carrier
Aircraft: N19141
Make and model: Boeing 757224
Aircraft serial: 30354
Aircraft time: 65,654 hours, 15,994 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 143N832853
Condition: Corroded
Location: Bs 680-740
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

MAIN MID CABIN FLOOR SUPPORT BETWEEN BS 680 AND 740, LBL 58.22 HAS CORROSION ON UPPER SURFACE. BLENDED THE CORRODED AREA. FOUND TO BE OUT O F LIMITS IAW SRM 53-30-15, ALLOW DAMAGE 1, FIG 101, DETAI L VI. REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02, PG 7, PAR 7D, AND DWG 143N8322, PAGE 21, FIG 4.