SDR CALA2024091202411

Service difficulty report · Floor Support · Boeing 757224

Difficulty date: September 11, 2024
Submitted: September 12, 2024
Operation: Air carrier
Aircraft: N14121
Make and model: Boeing 757224
Aircraft serial: 27563
Aircraft time: 87,286 hours, 21,248 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N53235
Condition: Corroded
Location: Zone 200
Stage of operation: IN
How discovered: O
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 THE CABIN FLOOR PANEL SUPPORT FROM STA. 1660 TO STA. 1680, BL0. REF AMES NR 172653-0100-0053. FLOOR PANEL SUPPORT CORRODED OUT OF LIMITS, LOCATED AND DRILLED NEW FLOOR PANEL SUPPORT P/N 146N32345. INSTALLED AT STA 1660-1680 BLO IAW B757-200 SRM 51-40-02, SRM 51-40-05, SRM 53-00-57-1A-1