Service difficulty report · Floorbeam · Boeing 757224

Difficulty date
February 11, 2009
Submitted
February 12, 2009
Operation
Air carrier
Aircraft
N17128
Make and model
Boeing 757224
Aircraft serial
27567
Aircraft time
44,255 hours, 11,017 cycles
Part
Floorbeam
Part number
143N51231
Condition
Corroded
Location
Fuselage
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

LAV S FLOOR BEAM EXTRUSION AROUND MOUNT AT STA 685 LBL 45 HAS DEEP SCRIBE MARK. REMOVED PART BECAUSE SCRIBE MARK AND CORROSION WERE BEYOND SRM LIMITS, FABRICATED, NDT INSPECTED, ALODINED, PRIMED, INSTALLED, IDENTIFIED NEW SUPPORT FITTING AND INITIATED DIP TO PERFORM REPEAT INSP PER PART 2 EVERY 24,000 FLT HRS OR 12,000 FLT CYCLES OR 72 MONTHS, WHICHEVER OCCURS FIRST REF ECRA5310-04898 PART 1.