SDR DALA1129525531

Service difficulty report · Floorbeam · Boeing 757251

Difficulty date: April 27, 2011
Submitted: April 28, 2011
Operation: Air carrier
Aircraft: N531US
Make and model: Boeing 757251
Aircraft serial: 23846
Aircraft time: 72,678 hours, 29,915 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1640 Rbl 29
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

PAX CABIN FLOOR STA 1640, RBL 29" HAS CORROSION. BLENDED CORRODED OUT OF LIMITS. REMOVED DAMAGE SECTION OF BEAM IAW SRM 53-00-51, FIG 201, FAB. REPAIR PARTS, CHORD LOC. & DRILLED IAW SRM 51-40-05, TREATED & PRIMED AND PAINTED IAW SRM 51-20-01. INSTALLED REPAIR PARTS IAW SRM 53-00-51, FIG 201.