# SDR USAA980558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N406US
- Make and model: Boeing 737401
- Aircraft serial: 23876
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: 655287864
- Condition: Corroded
- Location: Bs 947
- Part time: 29,916 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA980558

## Discrepancy

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND SEVERAL 2 INCH BY 2 INCH AREAS OF CORROSION BETWEEN STATION 947 AND 987 LBL 65 WL 208 SILL INST AFT ENTRY DOOR.  CORROSION TASK NR C53-107-02.  INSTALLED DOUBLER PER BOEING 737-400 SRM 51-40-00 AND 51-10-02.  (M)

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