Service difficulty report · Sidewall Support · Boeing 737752

Difficulty date
September 18, 2021
Submitted
October 13, 2021
Operation
Air carrier
Aircraft
N7843A
Make and model
Boeing 737752
Aircraft serial
35786
Aircraft time
47,875 hours, 24,909 cycles
Part
Sidewall Support
Condition
Corroded
Location
Fuselage
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

CORROSION ON FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS899 RBL22 WL170. ; / [01] REMOVED CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT AT BS899 RBL 22 WL 170 ; ORIGINAL THICKNESS IS 0.040' ; MAXIMUM MATERIAL REMOVED IS .5'X.5'X0.009' ; REMAINING THICKNESS IS 0.031 ; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2; [02] VERIFIED REMOVED CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT AT BS899 RBL 22 WL 170 ; ORIGINAL THICKNESS IS 0.040' ; MAXIMUM MATERIAL REMOVED IS .5'X.5'X0.009' ; REMAINING THICKNESS IS 0.031 ; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2.