Service difficulty report · Sidewall Support · Boeing 737

Difficulty date
October 4, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N232WN
Make and model
Boeing 737
Aircraft serial
32500
Aircraft time
53,002 hours, 31,465 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

SUPPLEMENTAL INFORMATION: CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 747+16 AND 747+19; R.B.L. 22; W.L. 154. ; / [01] REMOVED AND EVALUATED MULTIPLE AREAS OF CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT R/H FROM BS 747+16 TO BS 747+19. LARGEST AREA OF MATERIAL REMOVED MEASURED 1.84' L; 1.25' W; 0.005' D. DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. REMAINDER OF WORK TO BE ACCOMPLISHED ON TASK TTG8Q006S5CK.; [02] VERIFIED CORRECTIVE ACTION STEP 1; [03] REMOVED AND EVALUATED MULTIPLE AREAS OF CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT R/H FROM BS 747+16 TO BS 747+19. LARGEST AREA OF MATERIAL REMOVED MEASURED 1.84' L; 1.25' W; 0.005' D. DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. REMAINDER OF WORK TO BE ACCOMPLISHED ON TASK TTG8Q006S5CK; [04] VERIFIED ACTION 3