Service difficulty report · Floorbeam · Boeing 757251

Difficulty date
January 11, 2013
Submitted
January 15, 2013
Operation
Air carrier
Aircraft
N552NW
Make and model
Boeing 757251
Aircraft serial
26499
Aircraft time
31,101 hours, 12,953 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 365.25
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

CORROSION ON UPPER SURFACE OF FLOORBEAM BS 365.25, LBL 24.75 TO RBL 40. REMOVED CORROSION ON UPPER SURFACE OF FLOORBEAM STA 365.25, LBL6 TO RBL36 IAW SRM 51-10-02, PAGE 12. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, PAGE 104 DETAIL 3. CUT OUT DAMAGE ON UPPER SURFACE FLOORBEAM AT STA 365.25, LBL 8 TO RBL 37.5. REPAIR FLOORBEAM IAW SRM 53-00-51, REPAIR 3, PAGE 201. COMPLIED WITH ER/A 988913-14MA, REV.B.