# SDR USAA991018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N342US](https://openairdocs.org/aircraft/N342US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23511
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 65C158011
- Condition: Corroded
- Location: Bs 312-370
- Part time: 37,150 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/USAA991018

## Discrepancy

CLT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND SEVERAL 1 INCH BY 1 INCH AREAS OF CORROSION AT ANCHOR NUT HOLES BS 312 TO BS 370 FORWARD ENTRY SILL Z-ANGLE.  CORROSION LEVEL 2.  REPAIRED AND REPLACED PER SRM 51-10-02.  (M)

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