SDR DALA2016020500871

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: February 4, 2016
Submitted: February 5, 2016
Operation: Air carrier
Aircraft: N652DL
Make and model: Boeing 757232
Aircraft serial: 24392
Aircraft time: 87,049 hours, 36,361 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1640
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

FLOOR STRUCTURE UPPER FLOORBEAM HAS EVIDENCE OF SURFACE CORROSION BS 1640, LBL54 TO RBL54. REMOVED EXISTING FLOORBEAM REPAIR FROM BS 1640 LBL 65 TO RBL 65, FABRICATED NEW REPAIR, AND REPAIR ANGLES, HEAT TREATED & INSTALLED REPAIR IAW SRM 53-00-51, REPAIR 9, SRM 51-40-02 & BAC 5602.