SDR DALA1035275519

Service difficulty report · Floor Support · Boeing 757251

Difficulty date: December 8, 2010
Submitted: December 9, 2010
Operation: Air carrier
Aircraft: N519US
Make and model: Boeing 757251
Aircraft serial: 23207
Aircraft time: 74,471 hours, 30,609 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 430-450
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

DURING M-CHECK FOUND FWD CABIN FLOOR SUPPORT AT LBL 67 PREVIOUS REPAIR BETWEEN STN 430 TO STN 450 CORRODED AT 3 LOCATIONS. FOUND TO BE OUT OF LIMITS IAW SRM 53-30-13 FIG 101, DET 8, REMOVED FLOOR SUPPORT IAW SRM 51-40-02, FABRICATED NEW PART LOCATED & DRILLED IAW SRM 51-40-05, TREATED & PRIMED IAW SRM 51-20-01, PAINTED IAW AMM 51-21-00, INSTALLED NEW FLOOR SUPPORT IAW SRM 51-40-02.