Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
April 12, 2022
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N8684F
Make and model
Boeing 7378H4
Aircraft serial
36653
Aircraft time
20,246 hours, 9,455 cycles
Part
Floor Panel
Part number
140BF
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 PANEL 140BF HAS CORROSION ALONG EDGE A225-002 / [01] FLOOR PANE DAMAGE OF #140BF EXCEEDS 20 MAX ALLOWABLE INCHES. FOUND TO BE OUT OF LIMITS IAW B-737 SRM 53-00-53-1A-1.;[02] MATERIAL VERIFIED AS .071' 2024-T3 IAW B-737 AMM 25-52-01-201-801. A-TAG A115230;[03] VERIFIED ITEMS 1 AND 2;[04] NEW PANEL 140BF FABRICATED IAW B-737 AMM 25-52-01-201-801.;[05] VERIFIED STEP 4;[06] OK GIVEN TO TREAT AND PRIME;[07] TREATED AND PRIMED IAW B-737 AMM 51-21-41 & AMM 51-21-72.;[08] NEW PANEL 140BF FABRICATED IAW B-737 AMM 25-52-01-201-801.;[09] JOB COMPLETE; AUDIT C/W

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