# SDR SWAA2023120517176

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2023
- Submitted: December 5, 2023
- Operation: Air carrier
- Aircraft: [N8554X](https://openairdocs.org/aircraft/N8554X), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36993
- Aircraft time: 19,892 hours, 9,901 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Plate
- 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/SWAA2023120517176

## Discrepancy

CORROSION AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS727E+19' TO BS767 RBL22 WL156<[01] VERIFIED STEPS 1;2 COMPLETE AND MEASUREMENT TABLE.;[02] VERIFIED STEPS 1-6;[03] MADE CORRECTIONS AND CHANGED STEP STATUS TO PARTIAL ON STEPS 4 AND 6;[04] CERTIFIED;[05] CORROSION DAMAGE ON ACB R/H FLOOR TO SIDEWALL SUPPORT BS727E+19 TO BS767; RBL22; WL156 WAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. CUT AND REMOVED DAMAGED SECTION OF FLOOR TO SIDEWALL SUPPORT BS727+12 TO BS767; RBL22; WL156 PER SRM 53-00-53-2R-5. LOCATED; DRILLED AND INSTALLED REPLACEMENT FLOOR TO ACB R/H FLOOR TO SIDEWALL SUPPORT AND ALL REPAIR PARTS COMPLETE PER SRM 53-00-53-2R-5.;[06] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 5 AND MEASUREMENT TABLE.

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