# SDR SWAA2022032957846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2022032957846

## Discrepancy

***CORROSION*** ON AFT CARGO R/H FLOOR TO SIDEWALL SUPPORT CHANNEL STA 727 - 767 RBL 21 WL 155 / FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM. REMOVED; FABRICATED; TREATED + PRIMED; AND INSTALLED AFT CARGO RH FLOOR TO SIDEWALL SUPPORT CHANNEL STA 727-767 RBL 21 WL 155 IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; AMM 51-21-73-370-804; AMM 51-21-41-370-802 SRM 51-40-10-2R-0; BOEING DWG # 146A7500; # 146A7502 59125U 10/2/19

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.