Service difficulty report · Floorbeam · Boeing 75733N

Difficulty date
September 4, 2019
Submitted
September 9, 2019
Operation
Air carrier
Aircraft
N57863
Make and model
Boeing 75733N
Aircraft serial
32587
Aircraft time
59,037 hours, 17,766 cycles
Part
Floorbeam
Part number
141N5121
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

B757-53-3-0551 (SECONDARY FINDING)MAIN CABIN FWD FLOORBEAM AT A PPROX STA 345 RBL 2-LBL 40 HAS CORROSION,16-126 REF ENGINEERING N/R 0073053 REMOVED CORROSION FROM MAIN CABIN FLOORBEAM UPP CAP STA 345 RBL 2 TO LBL 40 (L=22 X W=2 D=.028) FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51 ALLOW DAMAGE 1 FIG 101 DET III AND IV, CUT OUT DAMAGED AREA, FABRICATED AND INSTALLED PERMANENT REPAIR AT FLOORBEAM STA 345 RBL 21 TO LBL 58 IAW SRM 53-00-51. ED ON NR 0073053. THIS IS TRANSCRIBED INFORMATION ACCOMPLISHED AND RECORD COMPLETED AND ACCEPTED BY ENG.

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