SDR DALA2016032602346

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: March 25, 2016
Submitted: March 28, 2016
Operation: Air carrier
Aircraft: N663DN
Make and model: Boeing 757232
Aircraft serial: 24992
Aircraft time: 80,803 hours, 36,855 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1655-1675
Stage of operation: IN
How discovered: 9
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 CABIN AFT SECTION FLOOR SUPPORT AT R-4 DOOR HAS CORROSION AT FASTENER LOCATIONS BS 1655-1675, RBL 54. REMOVED CORROSION FROM R-4 DOOR CUTOUT FLOOR SUPPORT BS 1655-1675, RBL 54. FOUND SUPPORT TO BE OUT OF LIMITS WITH 100 PERCENT MATERIAL LOSS IAW SRM 51-10-02, 53-60-15. R & R FLOOR SUPPORT, PN 146N524606, PO 663DN-00086 IAW SRM 51-40-02, 51-40-05, AND DWG 146N5230, REV D.