# SDR SWAA2023111415177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2023
- Submitted: November 14, 2023
- Operation: Air carrier
- Aircraft: [N8715Q](https://openairdocs.org/aircraft/N8715Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42570
- Aircraft time: 13,037 hours, 5,794 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sidewall Support
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023111415177

## Discrepancy

CORROSION AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727I+2' TO BS747+10' LBL22 WL156 ';[02] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 727J+11' REMOVED 0.020' IN AN AREA OF 1'X1' ORIGINAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING ATS TOOL ID ATS2677 DUE 05/2024. REMOVED AND REPLACED DAMAGED SECTION OF ACB LH FLOOR TO SIDEWALL SUPPORT 727H+10 TO 807+8; IAW SRM 51-40-02-0G-0; SRM 53-00-53-2R-5 AND DWG 146A7500;[03] VERIFIED STEP 4 COMPLETE.;[04] VERIFIED STEP 6 COMPLETE; ALL STEPS; CORRECTION ACTION ITEM 2; AND MEASUREMENT TABLE COMPLETE; CARD COMPLETE.

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