Service difficulty report · Floor Panel · Boeing 7378

Difficulty date
November 27, 2023
Submitted
December 1, 2023
Operation
Air carrier
Aircraft
N8748Q
Make and model
Boeing 7378
Aircraft serial
61871
Aircraft time
8,520 hours, 3,773 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

AFT CARGO FLOOR PANEL 140DF HAS A DENT WITH A CRACK<[01] VERIFIED MATERIAL FOR FLOOR PANEL FABRICATION; 2024-T3 .071'ATAG A209385 IAW AMM 50-10-04-400-801 SECTION 3.A. REMOVED FLOOR PANEL 140DF IAW AMM 50-10-04-000-801. VERIFIED STEP 1;[04] STARTED FABRICATING; LOCATED AND DRILLED FASTENER HOLES IAW AMM 50-10-04-400-801 SECTION 3.A. VERIFIED STEP 4;[06] CONTINUED FABRICATING FLOOR PANEL I.A.W AMM 50-10-04-400-801. COMPLETED FABRICATION OF FLOOR PANEL IAW AMM 50-10-04-400-801. VERIFIED STEP 7. TREATED FLOOR PANEL IAW AMM 51-21-41-370-802. PRIMED FLOOR PANEL IAW AMM 51-21-99. VERIFIED STEPS 9 AND 10. BEGAN INSTALLATION FLOOR PANEL IAW AMM 50-10-04-400-801. INSTALLED FLOOR PANEL 140DF I.A.W AMM 50-10-04-400-801;[14] VERIFIED STEPS 12-13.<BR>AUDIT C/W.

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