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
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 BOARD 140 BF CORRODEDD ALONG EDGE A225-004 / [01] AFT CARGO FLOOR BOARD 140BF CORROSION ALONG EDGE EXCEEDS THE 20' MAX AND 10' CONTINUOUS LIMIT. FLOOR BOARD FOUND OUT OF LIMITS IAW B-737 AMM 53-00-53-1A-1.;[02] NEW MATERIAL VERIFIED AS 0.071' 2024-23 IAW B-737 AMM 25-52-01-201-801. A-TAG A120974;[03] VERIFIED STEP 1 AND 2;[04] NEW FWD CARGO FLOOR-BOARD 140BF FABRICATED IAW B-737 AMM 25-52-01-201-801.;[05] VERIFIED ITEM 4; OK TO TREAT AND PRIME;[06] AFT CARGO FLOOR BOARD 140BF TREATED AND PRIMED IAW B-737 AMM 51-21-41 & 51-21-72.;[07] NEW AFT CARGO FLOOR BOARD 140 BF FABRICATED IAW B-737 AMM 25-52-01-201-801. A-TAG A120974.;[08] VERIFIED STEPS 6 AND 7; JOB COMPLETE; AUDIT C/W

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