Service difficulty report · Floor Panel · Boeing 7378

Difficulty date
July 7, 2023
Submitted
July 21, 2023
Operation
Air carrier
Aircraft
N8706W
Make and model
Boeing 7378
Aircraft serial
42559
Aircraft time
12,476 hours, 5,539 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Corroded
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

(A204 DOT 81) AFT CARGO FLOOR PANEL 140DF HAS CORROSION ON UPPER SURFACE AROUND PERIMITER OF FLOOR PANEL<[01] EVALUATED CORROSION AREA FOUND LENGTH OF CORRODED AREA IS MORE THAN 3' MAX ALLOWABLE LIMIT IS 3' FOUND OUT OF LIMITS I.A.W BOEING SRM 53-00-53-1A-1;[02] VERIFIED MATERIAL FOR NEW FLOOR PANEL 2024-T3 IAW SRM 53-60-53-0L-1 IDENTIFICATION 1 TABLE 2 ITEM 6 SIGNING FOR JORDAN LOYOLA 36874;[03] STEP 2 VERIFIED MATERIAL FOR NEW FLOOR PANEL 2024-T3 IAW SRM 53-60-53-0L-1 IDENTIFICATION 1 TABLE 2 ITEM 6 SIGNING FOR JORDAN LOYOLA 36874.<BR><BR>A-TAG :A132705;[04] MATERIAL VERIFIED; STEPS 1-3 COMPLETE;[05] LOCATED AND DRILLED HOLES ON AFT CARGO FLOOR PANEL 140DF IAW 737-8-SRM 51-40-05-0G-0 FIGURE 6 AND AMM 50-10-04-400-801 SIGNING FOR JORDAN LOYOLA 36874;[06] VERIFIED STEP 5;[07] FABRICATED AFT CARGO FLOOR PANEL 140DF IAW 737-8 AMM 50-10-04-400-801;[08] VERIFIED STEP 7;[09] OK TO TREAT AND PRIME;[10] TREATED AND PRIME AFT CARGO FLOOR PANEL 140DF IAW AMM 51-21-41-370-802; AND AMM 51-21-72-370-804;[11] VERIFIED STEP 10<BR>AUDIT CW

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