SDR DALA12010075651

Service difficulty report · Deck Plate · Boeing 757251

Difficulty date: September 29, 2012
Submitted: October 16, 2012
Operation: Air carrier
Aircraft: N551NW
Make and model: Boeing 757251
Aircraft serial: 26498
Aircraft time: 34,256 hours, 13,887 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Deck Plate
Condition: Corroded
Location: Bs 1680-1720
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 MAIN CABIN DECK PLATE FROM STA 1680-1720, BL-0 TO BL-52R (AREAS MARKED). REMOVED CORROSION AT 13 EA DIFFERENCE AREAS ON AFT DECK PLATE FROM STA 1680-1720, BL 0 TO BL 52R, AND FOUND TO BE WITHIN LIMITS IAW SRM 53-60-51, PAGE 201 FIG 201, REPAIR 2, AT THE STA 1681 RBL4 FOUND 1 EA ELONGATED HOLE ON DECK PLATE AND FOUND TO BE OUT OF LIMITS IAW SRM 53-60-51, PAGE 201, FIG 201, REPAIR 2, ACCOMPLISHED REPAIR IAW SRM 53-60-51, PAGE 202, FIG 201, REPAIR 2, ALTERNATIVE II. COMPLETED INSPECTED.