Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
May 15, 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
120BF
Condition
Corroded
Location
Fwd 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

FWD CARGO FLOOR PANEL 120 BF ; CORRODED ALONG EDGE A225-014 / [01] CORROSION ALONG FLOOR PANEL EDGE EXCEEDS THE 20' MAX LIMIT. PANEL 120BF FOUND OUT OF LIMITS IAW B-737 AMM 53-00-53-1A-1.;[02] MATERIAL VERIFIED AS 0.071' 2024-T3 IAW B-737 AMM 25-52-01-201-801. A-TAG A120974;[03] VERIFIED STEPS 1 AND 2;[04] NEW FWD CARGO FLOOR PANEL 120BF FABRICATED IAW B-737 AMM 25-52-01-201-801.;[05] VERIFIED STEP 4;[06] OK GIVEN TO TREAT AND PRIME;[07] NEW PANEL 120BF TREATED AND PRIMED IAW B-737 AMM 51-21-41 & 51-21-72.;[08] NEW FWD CARGO FLOOR PANEL 120BF FABRICATED IAW B-737 25-52-01-201-801.;[09] VERIFIED ITEMS 7 AND 8

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