# SDR SWAA2020120729278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2020
- Submitted: December 7, 2020
- Operation: Air carrier
- Aircraft: [N8329B](https://openairdocs.org/aircraft/N8329B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 37006
- Aircraft time: 26,638 hours, 11,989 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A56765
- Condition: Corroded
- Location: Bs 947
- 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/SWAA2020120729278

## Discrepancy

CORROSION ON INTERCOASTAL BS 947& 4 LBL 31 AT FASTENER HOLE (UNDERSIDE).  REMOVED DAMAGED INTERCOASTAL, PER SRM 51-40-02.  DRILLED UP REPLACEMENT INTERCOASTAL, PER SRM 51-40-05.  INSTALLED NEW REPLACEMENT INTERCOASTAL (P/N 147A5676-5) PER SRM 51-40-02.

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