# SDR SWAA2020100616707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2020
- Submitted: October 6, 2020
- Operation: Air carrier
- Aircraft: N496WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32478
- Aircraft time: 54,479 hours, 32,341 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Cargo Track
- Part number: 146A7500
- Condition: Corroded
- Location: Bs 794-812
- 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/SWAA2020100616707

## Discrepancy

CORROSION ON AFT CARGO BAY CARGO TRACK AT BS 794-812; RBL 14; WL 154.  REMOVED CORROSION ON AFT CARGO BAY CARGO TRACK BS 794-812; RBL 14; WL 154; .012' DEEP FROM ORIGINAL THICKNESS .070', FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 FIG 103 DETAIL (D).  REMOVED AND REPLACED AFT CARGO BAY CARGO TRACK BS 727-887; RBL 14; WL 154 IAW DWG 146A7500 AND DWG 146A0061 AND SRM 53-00-53-2R-3 FIG 203 DETAIL (A).

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