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
120DF
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 DF ; CORRODED ALONG EDGE A225-016 / [01] EVALUATED ALLOWABLE LIMITS CORROSION IS MORE 20 INCH MAXIMUM ALLOWED FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-1;[02] VERIFIED. MATERIAL ID FOR FLOOR PANEL IS 2025 T3 .071 TAG# A120976 IAW AMM 25-52-01-201-801;[03] VERIFIED STEPS 1 AND 2;[04] VERIFIED STEPS 1; 2 AND 3;[05] FABRICATED; LOCATED AND DRILLED FLOOR PANEL 120DF I/A/W B737-800 AMM 25-52-01-201-801.;[06] VERIFIED ITEM 5;[07] OK TO TREAT AND PRIME;[08] TREATED AND PRIMED FLOOR PANEL 120 DF I/A/W B737-800 AMM 51-21-41 AND 51-21-72.;[09] VERIFIED STEP 8;[10] JOB COMPLETE; AUDIT C/W

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