# SDR SWAA2021091597563

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2021
- Submitted: September 15, 2021
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 58,733 hours, 34,620 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Panel
- Condition: Chafed
- 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/SWAA2021091597563

## Discrepancy

PANEL 194CL INNER SKIN MATING SURFACE IS CHAFED. / [01] IDENTIFIED PANEL 194CL / MATERIAL IAW SRM 53-60-70-0I-1 FIG. 2 TABLE 2 ITEM [6].<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-60-70-1A-1 PARA 4. B. (3) (A) NOTE: (5) (A).<BR>REPAIR TO BE ACCOMPLISHED IAW SRM 51-70-05-2R-6 PER SRM 53-60-70-2R-1.<BR>REMOVED CHAFED DAMAGE ON INNER SKIN MATING SURFACE; PREPARED AND CLEANED REPAIR AREA. <BR>IAW SRM 51-70-05-2R-6 PARA 4 A. - D.; [02] ADDING TO LINE ITEM 1.; NO CONTAMINATION NOTED IAW SRM 51-70-05-2R6 PARA 4.D.; [03] UPDATING MEASUREMENTS; [04] VALIDATED REPAIR TO PANEL 194CL TO BE COMPLETED IAW SRM 51-70-05-2R-6 AS GIVEN IAW SRM 53-60-70-2R-1.;

---
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.