# SDR SWAA2021071681794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2021
- Submitted: July 16, 2021
- 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: 54,253 hours, 32,244 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support 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/SWAA2021071681794

## Discrepancy

***CORROSION*** ON TRACK SUPPORT ANGLE AT AFT CARGO BAY BS848 RBL13 WL160. ; / [01] ACB TRACK SUPPORT ANGLE BS 848; RBL 13 HAS NO ALLOWABLE DAMAGE LIMIT ON SRM; REPAIR BY REPLACEMENT PER SRM 51-10-02-0G-0 STEP 9.C<BR><BR>REMOVED TRACK SUPPORT ANGLE BS 848;RBL 13 PER SRM 51-40-02.; [02] VERIFIED APPLICABILITY SRM 51-10-02-0G-0.<BR>VERIFIED ACB TRACK SUPPORT ANGLE BS 848; RBL 13 HAS NO ALLOWABLE DAMAGE LIMIT ON SRM; REPAIR BY REPLACEMENT PER SRM 51-10-02-0G-0 STEP 9.C.; [03] LOCATED; DRILLED; DEBURRED NEW SUPPORT ANGLE AND INSTALLED PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A0083; DWG 146A7500.; [04] LOCATED; DRILLED; DEBURRED NEW SUPPORT ANGLE AND INSTALLED PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A0083; DWG 146A7500. VERIFIED INSTALLATION COMPLETED.; [05] LOCATED; DRILLED; DEBURRED NEW SUPPORT ANGLE AND INSTALLED PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A0083; DWG 146A7500. VERIFIED INSTALLATION COMPLETED.

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