SDR DALA2025101307456

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: October 11, 2025
Submitted: October 13, 2025
Operation: Air carrier
Aircraft: N6713Y
Make and model: Boeing 757232
Aircraft serial: 30777
Aircraft time: 77,220 hours, 29,653 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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 OUT OF LIMITS: (UT) MEASUREMENT THICKNESS WAS ACCOMPLISHED PER B757 NDT MANUAL, PAR 4. 51-00-10, PROCEDURE 2, ON FLOOR SUPPORT UPPER SURFACE STA 780 TO STA 845 LBL 7.55 AND FLOOR SUPPORTS (STA 748 RBL 2.90,7.55 , 10,45 AND 16.10) C1. ALL THOSE AREAS ARE OUT OF LIMITS PER B757-200 SRM 51-00-53-1A-1 DETAIL I, NOTE C, DETAIL V. (1246688)