# SDR SWAA2021071492138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2020
- Submitted: July 14, 2021
- Operation: Air carrier
- Aircraft: [N929WN](https://openairdocs.org/aircraft/N929WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36631
- Aircraft time: 40,823 hours, 24,698 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 767-787
- 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/SWAA2021071492138

## Discrepancy

***CORROSION*** ACB INTERCOSTAL ANGLE COMMON TO FWD SHIELD; LWR SURFACE; AT NUTPLATE LOCATIONS. BS767 TO BS787; RBL22; WL156 / REMOVED AND REPLACED INTERCOSTAL ANGLE COMMON TO FWD SHIELD; B/S 767 TO B/S 787 RBL22 WL156 PO: 760495/4 IAW SRM 51-40-02; SRM 51-10-02 PARAGRAPH 9 AND DWG 146A0081 REV: A 59900U 17JUN20

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