# SDR SWAA2022030134679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2019
- Submitted: March 1, 2022
- Operation: Air carrier
- Aircraft: N402WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29814
- Aircraft time: 63,146 hours, 36,758 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- 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/SWAA2022030134679

## Discrepancy

***CORROSION*** FOUND ON UNDER SIDE OF FLOOR SUPPORT AT STA 951 RBL 45.5-53 WL 208 / CORROSION FOUND ON UNDER SIDE OF FLOOR SUPPORT AT STA 951 RBL 45.5-53 WL 208 FOUND TO BE OUT OF LIMITS DUE TO NO SRM ALLOWABLE LIMITS FOUND AND IS ONLY REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0; 9C. REMOVED AND REPLACED FLOOR SUPPORT AT STA 951 RBL 45.5-53 WL 208 IAW SRM 51-40-02-0G-0; 7D AND BOEING DWG 147A5760 SHEET 11. 57901U 14JAN19

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