# SDR SWAA2022032957826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2019
- Submitted: March 29, 2022
- Operation: Air carrier
- Aircraft: [N906WN](https://openairdocs.org/aircraft/N906WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36887
- Aircraft time: 40,396 hours, 23,607 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Angle
- 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/SWAA2022032957826

## Discrepancy

***CORROSION*** SUB THRESHOLD ANGLE AT STA. 301.5- 332.1 WL 209 RBL 57 HAS CORROSION AROUND FASTENER HOLES / REMOVED DAMAGED SUB THRESHOLD ANGLE FROM PASS CABIN R1 DOOR (SERVICE DOOR) AT STA 301.5-332.1 WL 209 RBL 57; CORROSION AT FASTENERS HOLES FOUND TO BE OUT OF LIMITS PER S.R.M 53-10-15-1A-2 FIG 103 DETAIL D P/N 141A8312-5 AND REPLACED FOR A NEW ANGLES DRILLED AND INSTALLED PER 51-40-05-0G-0 AND DWG# 141A8310 REV-

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