# SDR SWAA2021030849877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2021
- Submitted: March 8, 2021
- Operation: Air carrier
- Aircraft: [N215WN](https://openairdocs.org/aircraft/N215WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32487
- Aircraft time: 53,882 hours, 31,691 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146A94014
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/SWAA2021030849877

## Discrepancy

AFT CARGO FLOOR SUPPORT AT BS 767+5 FROM 25L TO 25R IS CORRODED. CLEANED AND EVALUATED CORROSION FOR FLOOR SUPPORT STRAP AS BS 767+5 AS PER B737-7 SRM 51-10-02-0G-0. CORROSION FOUND TO BE OUT OF SERVICEABLE LIMITS AS PER B737-7 SRM 53-00-53-IA-2 FIG D. RECEIVED NEW FLOOR STRAP ASSY FOR REPLACEMENT OF P/N 146A9401-4. INSTALLATION TO BE COMPLETED UPON INSTALLATION OF NEW 'Z' CHANNEL FOR AFT CARGO LT SIDE FLOOR SUPPORT WO REF W204705 NR 201704010000095.

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