SDR DALA13048416812

Service difficulty report · Floor Support · Boeing 757231

Difficulty date: September 26, 2013
Submitted: October 1, 2013
Operation: Air carrier
Aircraft: N717TW
Make and model: Boeing 757231
Aircraft serial: 28485
Aircraft time: 49,435 hours, 13,898 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 1320-1340
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

AFT CARGO FLOOR SUPPORT HAS CORROSION UPPER/LOWER SURFACE STA 1320-1340, RBL 7.5. REMOVED CORROSION ON AFT CARGO STR UPPER/LOWER SURFACE STA 1320-1340, RBL 7.5, ORIG MAT THICKNESS 0.063" AND MAT. LOSS 0.004" FOUND TO BE WITH IN LIMITS IAW SRM 53-00-53, ALLOWABLE DAMAGE 1.