Service difficulty report · Floor Panel · Boeing 737

Difficulty date
April 12, 2022
Submitted
April 29, 2022
Operation
Air carrier
Aircraft
N8684F
Make and model
Boeing 737
Aircraft serial
36653
Aircraft time
20,246 hours, 9,455 cycles
Part
Floor Panel
Part number
140DF
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 140DF HAS CORROSION ALONG EDGE A225-005 / [01] EVALUATED DAMAGE TO AFT CARGO FLOOR PANEL 140DF FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-1 PARA 5.A.(B) FIG. 102 SHT 1;[02] VERIFIED MATERIAL ID AS 2024-T3 .071' CLAD IAW B737-800 SRM 53-60-53-0I-1 TABLE 2 ITEM 1 ATAG: A115230;[03] VERIFIED ITEMS 1 AND 2;[04] BEGAN FABRICATING NEW FLOOR PANEL 140DF IAW B737-800 AMM 25-52-01-201-801; NOT COMPLETE;[05] COMPLETED FABRICATION OF NEW FLOOR PANEL 140DF IAW B737-800 AMM 25-52-01-201-801;[06] VERIFIED STEPS 4 & 5;[07] OK GIVEN TO TREAT AND ORIME;[08] APPLIED ALODINE IAW B737-800 AMM 51-21-41-370-802 AND APPLIED PRIMER IAW B737-800 AMM 51-21-72-370-804;[09] IDENTIFIED PANEL ON LOWER SUFACE IAW B737-800 AMM 25-52-01-201-801 FABRICATION COMPLETE;[10] VERIFIED STEPS 8-9