# SDR ASAA2020112133586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2020
- Submitted: December 1, 2020
- Operation: Air carrier
- Aircraft: [N609AS](https://openairdocs.org/aircraft/N609AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 29752
- Aircraft time: 65,726 hours, 32,330 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 146A8123U25
- Condition: Corroded
- Location: Crgo Door Sill
- 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/ASAA2020112133586

## Discrepancy

AFT CARGO DOOR SILL WEB IS CORRODED.  GROUNDED-YES.  REMOVED CORROSION ON SILL WEB AND FOUND TO BE OUT OF LIMITS, IAW 737-700 SRM 53-60-15-1A-1.   REPLACED WEB WITH NEW WEB, IAW 737-700 SRM 51-40-02-0G-0 5. AND 51-40-05-0G-0 TABLE A FIG 3, W 2" O .045 R .039 L 3" D .006.

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