SDR DALA2017042403371

Service difficulty report · Floor Support · Boeing 757232

Difficulty date: April 21, 2017
Submitted: April 25, 2017
Operation: Air carrier
Aircraft: N667DN
Make and model: Boeing 757232
Aircraft serial: 25035
Aircraft time: 83,846 hours, 38,346 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Cracked
Location: Bs 680-700
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

R2 DOOR THRESHOLD INTERCOSTAL CORRODED AROUND FASTENER HOLES BS 680-700. BLENDED OUT THE CORROSION IAW SRM 51-10-02. OUT OF LIMITS IAW SRM 53-00-04. REMOVED DAMAGED FLOOR SUPPORT IAW SRM 51-40-02. LOCATED & DRILLED IAW DRAWING 143N5400, REV G. TREATED, PRIMED, AND TOP COATED THE SUPPORT IAW AMM PROCEDURES. INSTALLED THE SUPPORT IAW DRAWING 143N5400, REV G, AND SRM 51-40-02, PARA 4.