# SDR SWAA2021041356437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2021
- Submitted: April 13, 2021
- Operation: Air carrier
- Aircraft: [N936WN](https://openairdocs.org/aircraft/N936WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36643
- Aircraft time: 39,513 hours, 23,867 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2021041356437

## Discrepancy

CORROSION STRINGER 25R LOCATED ON BS540; WL150 AT FWD CARGO COMPARTMENT / REPAIRED STRINGER 25R LOCATED ON BS 500C+10' TO BS540; WL150 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 SRM 51-40-02 AND DWG #143A3230 SHEET 86 REV.- 143A1224 SHEET 51 REV.- 143A7902 SHEET 127 REV. A

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