Service difficulty report · Support Plate · Boeing 7377H4

Difficulty date
April 28, 2020
Submitted
April 29, 2021
Operation
Air carrier
Aircraft
N467WN
Make and model
Boeing 7377H4
Aircraft serial
33830
Aircraft time
55,710 hours, 32,961 cycles
Part
Support Plate
Condition
Corroded
Location
Fwd Cargo
Stage of operation
IN
How discovered
V
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 BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE HAS CORROSION AROUND NUTPLATE HOLES BS500 TO BS500D LBL23 WL156 / EVALUATED CORROSION ON FCB L/H FLOOR TO SIDEWALL SUPPORT; BS500; 500D; LBL23; REMOVED .015' FROM .040' ORIG. FOUND TO BE OUT OF LIMITS; IAW SRM 53-00-53-1A-2. REMOVED DAMAGED SECTION 480+10-500D; FABRICATED REPAIR PARTS; DRILLED; LOCATED; DEBURRED; APPLIED CHEMICAL CONVERSION COATING; PRIMED; AND INSTALLED REPAIR PARTS; IAW SRM 53-00-53-2R-5; DWG 143A7500; SPLICE-480+10. MATERIAL BAC14964447075T62; LOT #1433012-2.

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