Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
December 17, 2021
Submitted
January 12, 2022
Operation
Air carrier
Aircraft
N8676A
Make and model
Boeing 7378H4
Aircraft serial
36941
Aircraft time
20,537 hours, 9,518 cycles
Part
Floor Panel
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

A113-02 AFT CARGO COMPARTMENT PANEL 140DF; I/B AND O/B EDGES ARE CORRODED. ; / [01] CORROSION DAMAGE TO PANEL 140DF EXCEEDS THE 20 INCH MAX ALLOWABLE AREA AND FOUND TO BE OUT OF LIMITS IAW B-737 SRM 53-00-53-1A-1 FIG. 102.; [02] MATERIAL VERIFIED AS 0.071' 2024-T3 IAW B-737 AMM 25-52-01-839-010. A-TAG A104322; [03] VERIFIED STEP 1;2; [04] FABRICATION STARTED ON PANEL 140DF IAW B-737 AMM25-52-01-201-801. TASK NOT COMPLETE.; [05] FABRICATED PANEL 140DF IAW B-737 AMM 25-52-01-201-801.; [06] VERIFIED STEP 5. OK TO TREAT AND PRIME; [07] TREATED AND PRIMED FLOOR PANEL 140DF IAW B-737 B-SOPM 20-43-03 & 20-41-02.; [08] C/W; [09] VERIFIED STEP 7;8. C/W

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