# SDR SWAA2021052766456

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2021
- Submitted: May 27, 2021
- Operation: Air carrier
- Aircraft: [N939WN](https://openairdocs.org/aircraft/N939WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36646
- Aircraft time: 39,769 hours, 23,903 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Bs 767-787 S25r
- 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/SWAA2021052766456

## Discrepancy

CORROSION WEB - INTERCOSTAL LOCATED BETWEEN BS 787 AND BS 767 S-25R WL154.5 AT AFT CARGO COMPARTMENT / REPLACED WEB INTERCOSTAL AND FASTENER LOC BTW BS747 AND BS767 S-25R WL 154.5 AFT CARGO COMPARTMENT IAW SRM B737-700 51-10-02 ITEM 9 AND DRAWING 146A7502 MATERIAL USED 7075-TO 0.032" BATCH NUMBER:

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