# SDR SWAA2020061280801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2020
- Submitted: June 12, 2020
- Operation: Air carrier
- Aircraft: [N477WN](https://openairdocs.org/aircraft/N477WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33988
- Aircraft time: 55,517 hours, 32,839 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2020061280801

## Discrepancy

CORROSION ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 400-500D; LBL 24; WL 154. DAMAGE ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 400-500D; LBL 24; WL 154 FOUND TO BE OUT OF LIMITS PER SRM 53-00-53.1A-2; PARA 4A(2A) FIG 103; DETAIL D; ALLOWABLE DAMAGE. REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0; PARA 9A(1). REMOVED DAMAGED FLOOR SUPPORT IAW SRM 51-40-02. FABRICATED AND INSTALLED A NEW FLOOR SUPPORT IAW SRM 51-40-02; SRM 53-00-53-2R-5; SRM 51-40-05 AND DWG 143A7500 SH 45; REV-.

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