# SDR SWAA2024081616408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2024
- Submitted: August 16, 2024
- Operation: Air carrier
- Aircraft: [N8699A](https://openairdocs.org/aircraft/N8699A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36923
- Aircraft time: 26,610 hours, 13,112 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2024081616408

## Discrepancy

CORROSION ON FLOOR SUPPORT STRUCTURE AROUND FITTING BS 947.5; LBL 50<[01] REMOVED DAMAGED ON FLOOR SUPPORT (INTERCOSTAL) AT BS 947.5 LBL 50 WL 208 IN AN AREA OF 1.1' X 1.1'; REMOVED 0.048'; ORIGINAL MATERIAL THICKNESS 0.200'; REMAINING MATERIAL THICKNESS 0.152' FOUND TO BE OUT LIMITS PER SRM 53-70-51-1A-1 ALLOWABLE DAMAGE 1 PAR.4.A(2)(A). PART TO BE REMOVED AND REPLACED PER SRM 51-10-02-0G-0 PAR.9.A(1); TOOL USED ID: ATS2827 DUE: 01/2025. REPLACEMENT OF PART WILL BE ACCOMPLISHED ON CUSTOMER CARD NUMBER TTG8Q00UUSXR STEP 10;[02] VERIFIED CORRECTIVE ACTION COMPLETE.

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