SDR DALA1118145521

Service difficulty report · Floor Support · Boeing 757251

Difficulty date: March 11, 2011
Submitted: March 14, 2011
Operation: Air carrier
Aircraft: N521US
Make and model: Boeing 757251
Aircraft serial: 23209
Aircraft time: 77,302 hours, 32,235 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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

BETWEEN FLOORBEAM STA 345 TO STA 365, LBL 25 FLOOR SUPPORT HAS CORROSION AS MARKED. BLENDED CORROSION PER SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04, FIG 101 DETAIL II. REM AND REP SHIM IAW SRM 51-40-02, 51-40-05 AND TRAVELERT11/873556, MAT 7075-T6-125C, BATCH 1947441.