# SDR SWAA2021081215916

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2020
- Submitted: August 12, 2021
- Operation: Air carrier
- Aircraft: [N499WN](https://openairdocs.org/aircraft/N499WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32481
- Aircraft time: 54,217 hours, 32,098 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Cargo Track
- Condition: Corroded
- Location: Bs 935
- 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/SWAA2021081215916

## Discrepancy

***CORROSION*** ON AFT CARGO BAY CARGO TRACK UPPER SURFACE AT B.S. 935; L.B.L 3; W.L. 154. / REMOVED AND REPLACED ACB TRACK BS 887-947 LBL 3 P/N 7530392 PO# 779084 IAW SRM 51-40-02 REF DWG 147A7500. 89004U 21SEP20.

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