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
140CF
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 140CF HAS CORROSION ALONG EDGE A225-004 / [01] VERIFIED CORROSION IS OUT OF LIMITS DUE TO BEING GREATER THAN 20 SQ INCHES IAW SRM 53-00-53-1A-1;[02] VERIFIED MATERIAL TO BE 2024-T3 .071 IAW AMM25-52-01-201-801;[03] VERIFIED STEPS 1 & 2;[04] STARTED FABRICATING PANEL IAW AMM 25-52-01-201-801;[05] FABRICATED PANEL 140CF IAW AMM 25-52-01-201-801;[06] VERIFIED STEPS 4 & 5;[07] OK GIVEN TO TREAT AND PRIME;[08] FABRICATED NEW FLOOR PANEL 140CF IAW AMM 25-52-01-201-801;[09] VERIFIED STEP 8