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 120CF HAS CORROSION ON MATING SURFACES AROUND FASTNER HOLES DOT A223-002<[01] UPON FURTHER INVESTIGATION FOUND MORE THAN 3 INCHES OF CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1 PARAGRAPH 5 (B);[02] RECIEVED MATERIAL PN: 2024-T3-071 A TAG A133190 AND VERIFIED TO BE CORRECT MATERIAL IAW AMM 50-10-04-400-801;[03] VERIFIED ITEM 2;[04] FABRICATED PANEL 120CF IAW SRM 51-40-05 AND IAW AMM 50-10-04-400-801;[05] VERIFIED ITEM 4<BR>OK TO TREAT AND PRIME LOWER SIDE;[06] TREATED AND PRIMED PANEL 120CF IAW SRM 51-20-01;[07] VERIFIED ITEM 6<BR>AUDIT C/W

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