Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
May 16, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N8690A
Make and model
Boeing 7378H4
Aircraft serial
36916
Aircraft time
20,154 hours, 9,318 cycles
Part
Floor Panel
Part number
140EF
Condition
Corroded
Location
Aft Cargo Bay
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 BOARD 140 EF CORRODEDD ALONG EDGE A225-001 / [01] CORROSION REMOVED FROM AREA OUT OF LIMITS DUE TO AREA IS MORE THAN 20 INCHES PER SRM 53-00-53-1A-1 FIGURE 102;[02] VERIFIED STEP 1;[03] NEW MATERIAL 0.071' 2024 T3 IAW AMM 25-52-01-201-803 1-C ATAG # A120977 PART NUMBER 2024-T3-071;[04] VERIFIED STEP 3 C/W;[05] BEGAN FABRICATION IAW AMM 25-52-01-201-801;[06] VERIFIED STEP 5 C/W;[07] COMPLETED FABRICATION OF PANEL 140EF IAW AMM 25-52-01-201-801;[08] VERIFIED STEP 7;[09] OK TO TREAT AND PRIME;[10] TREATED AND PRIMED NEW PANEL 140EF IAW AMM 25-52-01-201-801;[11] FABRICATED NEW FLOOR PANEL 140EF IAW AMM 25-52-01-201-801;[12] VERIFIED STEP 10 AND 11 <BR>AUDIT C/W

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