SDR FDEA200902090493

Service difficulty report · Crease Beam · Boeing 757236

Difficulty date: February 9, 2009
Submitted: February 10, 2009
Operation: Air carrier
Aircraft: N910FD
Make and model: Boeing 757236
Aircraft serial: 25054
Aircraft time: 50,523 hours, 16,419 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: BAC1515553
Condition: Corroded
Location: Bs 755-790
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

CABIN FLOOR SUPPORT ANGLE AT STA 790-755 RBL 64 HAS SPOTS OF SURFACE CORROSION. REMOVED CORROSION IAW SRM 51-10-02, BLENDED AREA L=3" BY W=1.2" D=.O20". ORIGINAL MAT .063 INCH, REMAINING .040 INCH, OUT OF LIMITS AS PER SRM 53-30-13, FIG 101, DET II. REPLACED CREASE BEAM AT STA 755 TO 790 RT IAW SRM 51-40-02. CATEGORY "A", MAJOR REPAIR.