Service difficulty report · Support Plate · Boeing 7377H4

Difficulty date
August 26, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N709SW
Make and model
Boeing 7377H4
Aircraft serial
27843
Aircraft time
74,940 hours, 44,603 cycles
Part
Support Plate
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

AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS AREAS OF CORROSION AROUND NUT PLATES HOLES BS727 TO BS767 WL156 RBL23 / REMOVED CORROSION ON AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE IN NUMEROUS 1' X 1' AREAS; ORIGINAL THICKNESS 0.040; MATERIAL REMOVED 0.015 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2; REMOVED AND REPLACED AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE BS 727 TO BS 767 WL 156 RBL 23 IAW SRM 51-40-02-0G-0; DWG 146A7500 AND DWG 146A0061

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