# SDR SWAA2021072020328

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2020
- Submitted: July 20, 2021
- Operation: Air carrier
- Aircraft: N430WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33659
- Aircraft time: 61,499 hours, 36,261 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Angle
- Condition: Corroded
- Location: Bs 320
- 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/SWAA2021072020328

## Discrepancy

***CORROSION*** ON ATTACH ANGLE AT MAIN EBAY BS320 LBL53 WL182. / REMOVED AND INSTALLED NEW ATTACH ANGLE AT MAIN EBAY BS320 LBL53 FROM BAC1490-2503# 7075T62C PO# 804408 LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 141A8143. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 51-20-01; SRM 51-40-02; DWG 141A8140. 80641U 12OCT20

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