# SDR SWAA2021091500070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 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/SWAA2021091500070

## Discrepancy

PANEL 192F HAS CHAFING DAMAGE ON FWD AND AFT EDGE MATING SURFACES ; / [01] IDENTIFIED PANEL 192F MATERIAL IAW SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM [15]. <BR>REMOVED FINISH IAW AMM 51-21-11-150-815 PARA. 17. C. AND D.<BR>FOUND CHAFING DAMAGE ON INNER FWD AND AFT MATING SURFACES TO EXCEED ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1 PARA. 4. B. (4). THESE AREAS WILL BE REPAIRED IAW SRM 51-70-05-2R-6. AS GIVEN IAW SRM 53-40-70-2R-1 TABLE 202.

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