Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
December 13, 2023
Submitted
January 17, 2024
Operation
Air carrier
Aircraft
N8313F
Make and model
Boeing 7378H4
Aircraft serial
38810
Aircraft time
37,864 hours, 17,584 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
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

FLOOR PANEL 241GF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 241UF IAW SRM 53-00-50-0I-1 FIG. 5 SHEET 1 TABLE 5 AND FOUND DAMAGE OUT OF ECONOMICAL REPAIR. NEW PANEL TO BE FABRICATED. CUT NEW PANEL OUT OF BMS4-23 TYII LOT#1545419-1; LOCATED AND DRILLED HOLES AND CLEANED; INSTALLED INSERTS WITH BMS5-107 RESIN LOT AK3BA2380A/A; CURED RESIN; UNDER A HEAT LAMP USING THERMOMETER ID: ATS2192 CAL DUE: 09/2024 TO MONITOR THE TEMPERATURE OF THE CURE; ALL IAW BOEING DRAWING 146A5810-455 AND SRM 53-00-50-2R-0 PARAGRAPH 1.A AND 4.A.;[02] PANEL IS 241GF NOT 241 UF AND WAS IDENTIFIED IAW SRM 53-00-50-0I-1 FIG. 4 SHEET 1 TABLE 4;[03] VERIFIED CORRECTIVE ACTION ITEM 1-2 AND MEASUREMENTS TABLE.;[04] ATTACHED CURE SHEET; ALL WORK COMPLETE.;[05] VERIFIED CORRECTIVE ACTION ITEM 4. JOB COMPLETE.

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