# SDR SWAA2023021088961

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2023
- Submitted: February 10, 2023
- Operation: Air carrier
- Aircraft: [N214WN](https://openairdocs.org/aircraft/N214WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32486
- Aircraft time: 59,300 hours, 35,194 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- 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/SWAA2023021088961

## Discrepancy

CABIN FLOOR SUPPORT BETWEEN 294.5 - 312 10 INCHES LEFT OF CENTER LINE IS CORRODED<[01] INSTALLED EWIS PROTECTION AT CABIN FLOOR SUPPORT BETWEEN 294.5 - 312 10 INCHES LEFT OF CENTER LINE IN REF AMM 20-60-07-913-801;[18] VERIFIED STEPS 16 AND 17;[19] REMOVED AND REPLACED INTERCOSTAL AT CABIN FLOOR SUPPORT BETWEEN STA. 294.5 TO 312 LBL 10' REF. B737-700 DWG #141A5600 SRM 51-40-02-0G-0;[20] VERIFIED STEP 19

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