# SDR SWAA2022093050219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2022
- Submitted: September 30, 2022
- Operation: Air carrier
- Aircraft: [N491WN](https://openairdocs.org/aircraft/N491WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33867
- Aircraft time: 56,646 hours, 33,713 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 947-1006
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022093050219

## Discrepancy

CORROSION FLOOR STRUCTURE INNER CHORD LOCATED BS947.5 TO BS1006 RBL55 WL208.1 AFT GALLEY AND LAV 2022-486070.  REPLACED INNER CHORD LOCATED BS887 TO BS1006 RBL55 WL208.1 AFT GALLEY AND LAV. IAW B737-700 SRM 51-10-02 AND 51-40-02 AND DWG 147A8501 SHEET 93 REV A. AND DWG 147A0000 SHET 37 REV -.  STEP 1 VERIFIED AND CORRECTIVE ACTION COMPLETED : ITEM RII REPLACED INNER CHORD LOCATED BS887 TO BS1006 RBL55 WL208.1 AFT GALLEY AND LAV. IAW B737-700 SRM 51-10-02 AND 51-40-02 AND DWG 147A8501 SHEET 93 REV A. AND DWG 147A0000 SHET 37 REV -. STEP 2 VERIFIED AND CORRECTIVE ACTION COMPLETED : ITEM RII REPLACED INNER CHORD LOCATED BS887 TO BS1006 RBL55 WL208.1 AFT GALLEY AND LAV. IAW B737-700 SRM 51-10-02 AND 51-40-02 AND DWG 147A8501 SHEET 93 REV A. AND DWG 147A0000 SHET 37 REV -.

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