# SDR SWAA2020081099010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2020
- Submitted: August 10, 2020
- Operation: Air carrier
- Aircraft: N717SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27851
- Aircraft time: 75,121 hours, 44,711 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 402
- 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/SWAA2020081099010

## Discrepancy

CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FCB BS402 LBL23 WL157. MARKED / CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS402; LBL23; WL157 FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 FIG 103 DETAIL D DUE TO PROXIMITY TO HOLES. FLOOR TO SIDEWALL SUPPORT TO BE REPLACED FROM BS400 TO BS500D; LBL23; WL157 ON CARD U188730.

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