Service difficulty report · Floor Panel · Boeing 7378

Difficulty date
August 19, 2023
Submitted
September 5, 2023
Operation
Air carrier
Aircraft
N8710M
Make and model
Boeing 7378
Aircraft serial
42567
Aircraft time
12,259 hours, 5,731 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

FWD CARGO FLOOR PANEL 120DF HAS CORROSION ON MATING SURFACES AROUND FASTNER HOLES DOT A223-001<[01] UPON FURTHER INVESTIGATION FOUND MORE THAN 3 INCHES OF CORROSION FOUND TO BE OUT OF LIMITS I.A.W SRM 53-00-53-1A-1 PARAGRAPH 5 (A)(B).;[02] VERIFIED MATERIAL P/N:2024-T3-071 AND TAG A133192 I.A.W SRM 53-30-53-0I-1;[03] VERIFIED ITEM 2;[04] STARTED FABRICATION OF FWD CARGO FLOOR PANEL 120DF I.A.W AMM 50-10-04-400-801;[05] VERIFIED STEP 4;[06] FABRICATED FWD CARGO FLOOR PANEL 120DF I.A.W AMM 50-10-04-400-801;[07] VERIFIED ITEM 6<BR>OK TO TREAT AND PRIME LOWER SIDE;[08] TREATED AND PRIME FWD CARGO FLOOR PANEL 120DF I.A.W SRM 51-20-01;[09] VERIFIED ITEM 8<BR>AUDIT C/W

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