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SDR DALA2015111707008

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Service difficulty report · Floorbeam · Boeing 757232

FAA SDR system

Difficulty date
November 16, 2015
Submitted
November 17, 2015
Operation
Air carrier
Aircraft
N650DL
Make and model
Boeing 757232
Aircraft serial
24390
Aircraft time
86,155 hours, 37,155 cycles
System (JASC)
5315 · Fuselage Main, Floor Beam
Part
Floorbeam
Condition
Corroded
Location
Bs 365
Stage of operation
IN
How discovered
O
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

DUPLICATE ORIGINAL DAMAGED, MAIN CABIN FWD WET AREA CORROSION ON FLOORBEAM SURFACE BS 365, RBL 10 1" X 1" NUMEROUS SPOTS. CP53-222-01. REMOVED CORROSION FROM FLOORBEAM BS 365, FOUND MATERIAL LOSS OUT OF LIMITS IAW SRM 53-00-51, AD1, FIG 101, CUTOUT DAMAGED AREA FROM APPROXIMATELY LBL 60, RBL 60, FABRICATED REPAIR T-CAP FROM BAC1505-100880 7075-T6511 PO ST-00006343, 2 EA. APPROXIMATELY DIM 124" & 56", FABRICATED SPLICE ANGELS 4 EA FROM 7075-0 .063" POST-00006530, 2 EA & 7075-0 .090", 2 EA, PO 650DL-00167 APPROXIMATELY DIM 13.7500" & 19.2500", HEAT TREATED REPAIR ANGLES TO T6 CONDITION & INSTALLED REPAIR PARTS IAW SRM 53-00-51, REPAIR 9; SRM 51-40 -02; SRM 52-20-01 & BAC 5602. WORK IN PROGRESS. REMOVED CORROSION FROM FLOORBEAM BS 365, FOUND MATERIAL LOSS OUT OF LIMIT IAW SRM 53-00-51, FIG 101, CUTOUT DAMAGED AREA FROM APPROXIMATELY LBL 60, FABRICATED REPAIR T-CAP FROM BAC 1505- 100880 7075-T6511, PO ST-00006343, 2 EA APPROXIMATELY DIM 124" & 56", FABRICATED SPLICE ANGLE 4 EA. FROM 7075-O .063" PO ST-00006530, 2 EA & 7075-O .090", 2EA, PO 650DL-00165 APPROXIMATELY DIM 13. 7500" X 19.2500", HEAT TREATED REPAIR ANGLES TO T6 CONDITION & INSTALLED REPAIR PARTS IAW SRM 53-00-51, REPAIR 9, SRM 51-40 -02, SRM 51-20-01 & BAC 5602, INSTALLED REPAIR ID DECAL IAW PS 900-5-1, NR 04.