SDR DALA2017100107207

Service difficulty report · Floorbeam · Boeing 757232

Difficulty date: September 30, 2017
Submitted: October 2, 2017
Operation: Air carrier
Aircraft: N668DN
Make and model: Boeing 757232
Aircraft serial: 25141
Aircraft time: 82,149 hours, 38,007 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1681
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

PASSENGER CABIN, AFT WET AREA FLOOR STRUCTURE BS 1681, LBL 54 TO RBL 54, FLOORBEAM HAD SEVERAL NUT PLATE STRIPS CORRODED. REMOVED CORROSION IAW SRM 51-10-02, PG 12, PARA 15. BEYOND ALLOWABLE LIMITS OF SRM 53-00-51, FIG 101. CUT OUT THE DAMAGED AREA. FABRICATED AND INSTALLED A REPAIR IAW SRM 53-60-51, REPAIR 3.