Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
September 28, 2021
Submitted
October 26, 2021
Operation
Air carrier
Aircraft
N263WN
Make and model
Boeing 7377H4
Aircraft serial
32520
Aircraft time
46,043 hours, 27,465 cycles
Part
Sidewall Support
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 LBL 21;WL 154; BS 747+14; 747+18; 747+18.5; 767+4.5; 767+5.5; 767+7; 767+10; 767+12; 767+14; 767+18. REMOVED CORROSION & FOUND OUT LIMITS AT BS 747+14 .L=1.7' W=0.600' D=0.024' ORIGINAL THICKNESS 0.040 IAWSRM53-00-1A-2 FIGU 103 DETAIL C. INSPECTED AND VERIFIED ACTION 1. PARTIAL LOCATED 7 DRILLED FLOOR SIDE WALL SUPPORT. LOCATED AND DRILLED FLOOR SIDE WALL SUPPORT NEW ZEE ASSEMBY IAW SRM 51-40-05. INSTALLED NEW FLOOR SIDE WALL SUPPORT IAW SRM 51-40-02-0G-0; DWG 146A7500 .

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