# SDR SWAA2021081615928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2020
- Submitted: August 16, 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): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Corroded
- Location: Bs 727c-750
- 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/SWAA2021081615928

## Discrepancy

***CORROSION*** ON AFT CARGO BAY RIGHT HAND KEEL BEAM AT B.S 727C+16 - 750; R.B.L 6; W.L. 148. / CORROSION ON RIGHT HAND KEEL BEAM IN AFT CARGO BAY AT BS727C+16-750; RBL6; WL148 WAS REPAIRED IAW ATS ER 20-03295 REV IR DATED 29SEP20 AND EA 20-153-01887 REV IR.

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