# SDR SWAA2021042718861

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2020
- Submitted: April 27, 2021
- Operation: Air carrier
- Aircraft: N724SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27856
- Aircraft time: 74,270 hours, 44,021 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 536 S25r
- 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/SWAA2021042718861

## Discrepancy

CORROSION COMMON TO END OF STR25R IN SNAKE PIT BS536 WL154 / REPAIRED STR 25 R/H IN FCB SNAKE PIT BS 536 WL154 PER ER 20-03337 REV IR AND EA 20-153-01958 REV IR

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