# SDR SWAA2022092765186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2022
- Submitted: September 27, 2022
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 57,460 hours, 34,246 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- 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/SWAA2022092765186

## Discrepancy

CORROSION ON FWD ENTRY DOOR THRESHOLD SUPPORT ANGLE FROM STA 303.9+13 TO STA 328+12; WL 209; LBL 60 TO LBL 65. / [01] REMOVED CORROSION IAW SRM 53-10-15-1A-1. 2'X.65X.015 BS 341.5-343.5. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-1.;[02] TOOL ID: ATS401<BR>S/N: UNKNOWN<BR>DUE DATE:10/2022;[03] VERIFIED APPLICABILITY FOR SRM;[04] VERIFIED CORRECTIVE ACTION #1; #2; #3.;[05] REMOVED FWD ENTRY DOOR THRESHOLD SUPPORT ANGLE FROM STA 303.9+13 TO STA 328+12; WL 209; LBL 60 TO LBL 65 IAW SRM 51-40-02-0G-0;[06] CERTIFY;[07] LOCATED; DRILLED NEW FED THRESHOLD SUPPORT ANGLE IAW SRM 51-40-05-0G-0; DWG 141A8110;[08] OK TO INSTALL;[09] VERIFIED CORRECTIVE ACTIONS 7 AND 8.;[10] INSTALLED NEW FED THRESHOLD SUPPORT ANGLE FROM BS312 TO BS344 WL 209; LBL 60 IAW SRM 51-40-02-0G-0; DWG 141A8110;[11] VERIFIED CORRECTIVE ACTION 10;[12] COMPLETE;[13] VERIFIED MEASUREMENT TABLE.

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