Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
December 11, 2023
Submitted
January 25, 2024
Operation
Air carrier
Aircraft
N8313F
Make and model
Boeing 7378H4
Aircraft serial
38810
Aircraft time
37,864 hours, 17,584 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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

UPON REMOVING LAV D HARDPOINT FITTING; FOUND CORROSION ON BS 947.5 FLOOR BEAM AT LBL 26 WL 208.<[01] UPDATED MEASUREMENT TABLE.;[02] BLENDED CORROSION ON BS 947.5 FLOOR BEAM AT LBL 26 WL 208 <BR>1'X1'X.030' AREA; ORIGINAL THICKNESS .180 FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1 CORROSION STILL EXISTS. IS WORKED ON CUSTOMER CARD TTG8Q00Q7QHR.;[03] IS BEING WORKED ON CUSTOMER CARDS TTG8Q00Q7QHR AND TTG8Q00Q7QG2.;[04] VERIFIED JOB COMPLETE<BR><BR>VERIFIED MEASUREMENT TABLE

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