Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
July 2, 2021
Submitted
August 19, 2021
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
39,425 hours, 23,903 cycles
Part
Floor Panel
Condition
Corroded
Location
Aft Cargo
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

A22-45; AFT PIT FLOOR PANEL 140CF; 6EA AREAS AROUND PANEL PERIMETER; CORROSION; MRK'D. (SECONDARY STRUCTURE) ; / [01] VERIFIED MATERIAL AS 2024-T3; .071 IAW AMM 25-52-01-201-801. A-TAG # A53467.; [02] VERIFIED STEP 1 C/W; [03] FABRICATED REPLACEMENT AFT PIT FLOOR PANEL 140CF IAW AMM 25-52-01-201-801.; [04] OK TO TREAT AND PRIME; [05] FABRICATED REPLACEMENT AFT PIT FLOOR PANEL 140CF; VERIFIED MATERIALS 2024-T3; .071. IAW AMM 25-52-01-201-801. TREATED BACK OF PANEL IAW AMM 51-21-41-370-803. PRIMED BACK OF PANEL IAW AMM 51-21-72-370-804.; [06] ALL WORK C/W<BR>AUDIT C/W

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